Snatch blocks are a convenient solution for temporary leads and line defelction on boats up to 33 feet. Use as temprary sheeting point, temporary reefing point, or replacent block. Impact resistant and UV stablized Acetal sheaves run on solid bushings for high strength and low maintenance Grade 316 stainless steel frame and load strap Soft PVC cheeks reduce clatter and protect gelcoat and painted surface Investment cast 15-5PH stainless steel snap shackle Snap shackles allow 360 rotation while the trunnion shackles allow addition ariculation from side to side