Deuer DB30HS Db-30hs Scissor Hook Block, 5/16 In Rope, 480 Pound Working Load, 2 In Sheave, Zinc
1-Zinc-plated for maximum corrosion resistance
2-Sintered bronze bushing
3-Heavy-duty steel construction
4-Removable cotter pin and sheave
5-Standard working load stamped on each block