25mm Blocks

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Pulley Blocks

Pulley Blocks

A budget quality range of 25mm (1in) blocks in stainless steel with a Nylon sheave. Choose from a general purpose block, a stainless steel pulley block with removable pin or a stainless steel block with shackle, all suitable for up to 6mm rope.

Part No. Product Description Type Rope Size Our Price More Details
3960 1" Pulley Block (Removable Pin) Removable Pin Up to 6mm £3.90 Each View more details
3961 1" Pulley Block with Bracket Bracket Up to 6mm £3.54 Each View more details
3962 1" Pulley Block General General Up to 6mm £2.52 Each View more details
3963 1" Pulley Block with Fixed Pin Fixed Pin Up to 6mm £4.14 Each View more details
3964 1" Pulley Block with Becket Becket Up to 6mm £4.68 Each View more details

25mm Single Blocks

25mm Single Blocks

Suitable for up to 6mm rope. A range of high quality 25mm single blocks from Seasure, all of which have been tested in the most extreme race conditions and proven over time, and you will often find them in use after more than 30 years! The high strength to weight ratio and simple construction give years of trouble free service.

The '00' range offers an unparalleled range of control line configuration opportunities. They feature hollow rivets for lightness and tough plastic sheaves that provide a good bearing surface allowing easy rotation under a range of load conditions. The robust electro-polished 316 stainless steel construction also gives a high chafe resistance should any feed or take-off misalignment occur. Made in the UK from 316 stainless steel and tough "Arnite" plastic.

Part No. Product Description Up to Rope Size/mm Our Price More Details
SS-00-03 Halyard Block 25mm 6 £5.82 Each View more details
SS-00-05 General Purpose Block 25mm 6 £5.82 Each View more details
SS-00-07 Single Block with Clevis Pin 25mm 6 £7.56 Each View more details
SS-00-08 Single Block with Shackle 25mm 6 £9.30 Each View more details
SS-00-09 Single Block with Hollow Rivet 25mm 6 £7.68 Each View more details
SS-00-11 Single Block with Becket 25mm 6 £9.90 Each View more details
SS-00-13 Single Block with V-Jammer 25mm 6 £12.90 Each View more details
SS-00-29 Single Swivel Block 6 £19.50 Each View more details
SS-00-39 Single Plastic Block 25mm 6 £6.60 Each View more details
SS-27-54 Sheave only for 25mm Block 6 £0.66 Each View more details

25mm Double Blocks

25mm Double Blocks

Suitable for up to 6mm rope. A range of high quality 25mm double blocks from Seasure, all of which have been tested in the most extreme race conditions and proven over time, and you will often find them in use after more than 30 years! The high strength to weight ratio and simple construction give years of trouble free service.

The '00' range offers an unparalleled range of control line configuration opportunities. Their classic design has stood the test of time. They feature hollow rivets for lightness and tough plastic sheaves that provide a good bearing surface allowing easy rotation under a range of load conditions. The robust electro-polished 316 stainless steel construction also gives a high chafe resistance should any feed or take-off misalignment occur. Made in the UK from 316 stainless steel and tough "Arnite" plastic.

 

Part No. Product Description Up to Rope Size/mm Our Price More Details
SS-00-20 Double Block with Clevis Pin 25mm 6 £10.74 Each View more details
SS-00-21 Double Block with Shackle 25mm 6 £13.38 Each View more details
SS-00-22 Double Swivel Hook Block 25mm 6 £22.02 Each View more details
SS-00-23 Double Block with Becket 25mm 6 £16.32 Each View more details
SS-00-25 Double Block with V-Jammer 6 £19.14 Each View more details

25mm Treble Blocks

25mm Treble Blocks

Suitable for up to 6mm rope. A range of high quality 25mm treble blocks from Seasure, all of which have been tested in the most extreme race conditions and proven over time, and you will often find them in use after more than 30 years! The high strength to weight ratio and simple construction give years of trouble free service.

The '00' range offers an unparalleled range of control line configuration opportunities. Their classic design has stood the test of time. They feature hollow rivets for lightness and tough plastic sheaves that provide a good bearing surface allowing easy rotation under a range of load conditions. The robust electro-polished 316 stainless steel construction also gives a high chafe resistance should any feed or take-off misalignment occur. Made in the UK from 316 stainless steel and tough "Arnite" plastic.

 

Part No. Product Description Up to Rope Size/mm Our Price More Details
SS-00-31 Treble Block with Shackle 25mm 6 £18.96 Each View more details
SS-00-32 Treble Block with Centre Becket 25mm 6 £20.40 Each View more details
SS-00-33 Treble Block with Becket 25mm 6 £20.34 Each View more details
SS-00-35 Treble Block with V-Jammer 25mm 6 £22.74 Each View more details

25mm Bolt Down Blocks

25mm Bolt Down Blocks

Suitable for up to 6mm rope. A range of high quality 25mm bolt down blocks from Seasure, all of which have been tested in the most extreme race conditions and proven over time, and you will often find them in use after more than 30 years! The high strength to weight ratio and simple construction give years of trouble free service.

The '00' range offers an unparalleled range of control line configuration opportunities. Their classic design has stood the test of time. They feature hollow rivets for lightness and tough plastic sheaves that provide a good bearing surface allowing easy rotation under a range of load conditions. The robust electro-polished 316 stainless steel construction also gives a high chafe resistance should any feed or take-off misalignment occur. Made in the UK from 316 stainless steel and tough "Arnite" plastic.

 

Part No. Product Description Up to Rope Size/mm Our Price More Details
SS-00-01 Bolt Down Block 25mm 6 £6.18 Each View more details
SS-00-02 Deck Mounted Block 25mm 6 £6.54 Each View more details
SS-00-15 Quarter Lead Block with Short Plate 25mm 6 £9.42 Each View more details
SS-00-16 Quarter Lead Block with Long Plate 25mm 6 £9.12 Each View more details
SS-00-17 Deck Lead Block 25mm 6 £7.14 Each View more details
SS-00-19 Base Mounted Swivel Block 25mm 6 £15.24 Each View more details
SS-01-18 Bolt Down Block (Metal Sheave) 6 £10.80 Each View more details

25mm Brass Sheave Blocks

25mm Brass Sheave Blocks

Made from Stainless Steel with a Chrome plated Brass sheave. For use in high load applications such as those imposed by wire and Dyneema halyards. The Stainless Steel side plates prevent highly abrasive ropes from cutting in. Suitable for 4mm Wire, Dyneema, Spectra or Kevlar. Breaking load 950Kg.

Part No. Product Description Up to Rope Size/mm Breaking Load/Kg Our Price More Details
SS-01-01 Metal sheave block with shackle 4 950 £13.80 Each View more details
SS-01-02 Metal Sheave Block with Clevis Pin 4 950 £12.66 Each View more details
SS-01-03 Single Block with Becket 25mm 4 950 £13.02 Each View more details
SS-01-08 Metal Spar Mounted Block (Flat Lugs) 25mm 4 950 £11.04 Each View more details
SS-01-10 Inline Mast Block (Metal Sheave) 25mm 4 950 £10.44 Each View more details
SS-01-14 Deck Lead Block 4 950 £11.04 Each View more details

Shuttle Blocks

Shuttle Blocks

The carbon sheave is particularly hard wearing.

Part No. Product Description Price £ More Details
SS-00-40 Small Shuttle Block £7.38 Each View more details
SS-00-41 Large Shuttle Block £8.64 Each View more details

25mm Stainless Steel Ball Race

25mm Stainless Steel Ball Race

Small 1" (25mm) blocks made from stainless steel with a 1" stainless steel sheave, suitable for up to 4mm rope.

Part No. Product Description Our Price More Details
SS-01-32 25mm Stainless Steel Ball Race £17.40 Each View more details

25mm Stainless Steel Ball Race

25mm Stainless Steel Ball Race

Small 1" (25mm) blocks made from stainless steel with a 1" stainless steel sheave, suitable for up to 4mm rope.

Part No. Product Description Our Price More Details
SS-01-40 25mm Stainless Steel Bolt Down Ball Race for 4mm Rope £16.14 Each View more details

Base Mounted Swivel

Base Mounted Swivel

Base mounted swivel for use with blocks in the 25mm range.

Part No. Product Description Price £ More Details
SS-05-07 Base mounted swivel £11.64 Each View more details

Sea Sure 19mm Ball Race Blocks

Sea Sure 19mm Ball Race Blocks

These lightweight high load capacity blocks are made from carbon fibre with stainless steel. The ball race is made with stainless steel balls with carbon fibre hub and cage.

Part No. Product Description Break Load Kg Price £ More Details
SS-19-82 Double Block with Shackle 1000Kg £23.04 Each View more details
SS-19-84 Double Block with Shackle & Becket 1000 Kg £24.42 Each View more details

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