25mm Halyard Block The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light. Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. Specifications: Fixing Holes: 5mm Dia. Max Rope: 8mm Breaking Load: 500kg

25mm Shouldered Block The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light. Features: When fitted with a lacing eye (25.17), the block will stand up directly and not flop from side to side This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. Specifications: Max Rope: 8mm Breaking Load: 500kg

25mm Single Block with Clevis Pin The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.  Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The Clevis Pin attachment makes the block easy to fit and remove from lacing eyes, eye bolts, U bolts, etc. Specifications: Max Rope: 8mm Breaking Load: 500kg

25mm Single Block with Shackle The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.  Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.08 features a shackle attachment at the top so that the block can be connected to an attachment point quickly and easily Specifications: Max Rope: 8mm Breaking Load: 500kg

25mm Single Block with Becket The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.                                                          Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.11 features a becket at one end and a clevis pin attachment at the other, so this block could be used for creating a purchase system and easily attached to a fixing point with the clevis pin attachment Specifications: Max Rope: 8mm Breaking Load: 500kg

25mm Single Block with V-Jam The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.                        Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.13 has a becket attachment to splice or tie off to, as well as a V Jammer This block could be used to create a 2:1 purchase system for lifting that can be easily locked off on the V Jammer Specifications: Max Rope: 8mm Breaking Load: 500kg

25mm Double Block with Shackle The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light. Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.21 can be used to create a 4:1 purchase system to aid in lifting heavier objects and decrease the load on the rope Specifications: Max Rope: 8mm Breaking Load: 1000kg

25mm Double Block with Becket The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.  Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.23 can be used to create a 4:1 or 5:1 purchase system to aid in lifting heavier objects and decrease the load on the rope Specifications: Max Rope: 8mm Breaking Load: 1000kg

25mm Double Block with V-Jam The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.  Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.25 can be used to create a 4:1 or 5:1 purchase system to aid in lifting heavier objects and decrease the load on the rope The V jammer enables you to lock off the rope Specifications: Max Rope: 8mm Breaking Load: 1000kg

25mm Treble Block with Shackle The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.  Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.31 can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope Specifications: Max Rope: 8mm Breaking Load: 1250kg

25mm Treble Block with Center Becket The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.  Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.32 can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope Specifications: Max Rope: 8mm Breaking Load: 1250kg

25mm Treble Block with V-Jam The 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.  Features: This range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc. The 00.35 can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope. The V jammer can be used to cleat the rope at any point during lifting or tension Specifications: Max Rope: 8mm Breaking Load: 1250kg

25mm Wire Block with Shackle - Fishing Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines. Specifications: Sheave: 25mm / 1in. Weight: 28g / 1oz. Shackle pin: 5mm / 3/16in, Maximum wire: 2mm / 3/32in. Maximum line: 4mm / 5/32in. Maximum working load: 454kg / 1000lb Breaking load: 907kg/ 2000 lb

25mm Wire Block with Shackle Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Specifications: Sheave: 25mm / 1in. Weight: 28g / 1oz. Shackle pin: 5mm / 3/16in, Maximum wire: 2mm / 3/32in. Maximum line: 4mm / 5/32in. Maximum working load: 454kg / 1000lb Breaking load: 907kg/ 2000 lb

General Purpose Block The 19mm carbon fiber sheave block range is designed for use with abrasive ropes for high-load applications. The outer cage is manufactured from marine-grade 316 Stainless Steel with a hollow stainless steel rivet through the center of a carbon fiber sheave.  Features: The block features a plain bearing, which is suited to higher load use A typical use for this block is for control lines, halyards, outhauls, furling lines, etc. Specifications: Weight: 10 g Breaking Load: 400kg