Sea Sure 25mm Treble Block 00.33

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The 25mm plain bearing block range is one of Sea Sure'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.This range could be used to create purchase systems for lifting, garage door mechanisms, storage solutions etc. The 00.33 can he used to create a 6:1 purchase system to aid lifting of heavier objects and decrease the load on the rope. Max Rope 8mm Breaking Load 1250kg Show more