25mm Single Block with V-JamThe 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