Series 2 Blocks Sgl Block,FrontSide Shackle The near friction free ball bearing version with double race sheaves make them ideal for applications such as small cunningham, barberhauler, vang, outhaul, backstay, and traveler control blocks. Cheeks are constructed of tumbled and polished stainless steel. Stainless steel with white Delrin sheaves Sheave diameter 1 116 Pin diameter 316 SWL 900 lbs.
