Ronstan Universal Ball Joint Swivel Base Ronstan Series 75 Industrail Pulley Blocks Wire blocks have purpose designed

Wire blocks have purpose designed narrow sheaves and grooves

Simple and secure attachment

it acts like an expansion diaphragm

Rope A - 1/4 - 5/8 in

Ronstan Super Mini

Ronstan Universal Ball Joint Swivel Base Ronstan Series 75 Industrail Pulley Blocks Wire blocks have purpose designedProduct Description Ronstan Universal Ball Joint Swivel Base Features Base Width 2 3 16 in. Pin 3 16 in. Socket Diameter 3 8" M. W. L. 440 lb. B. L. 2200 lb. Weight 2. 3 oz. Product Information Full 360 degree universal ball joint to suit Series 56 ratchet blocks Applications Mainsheet on off the beach dinghies, catamarans and sports boats to 7m (23ft) Materials Grade 316 stainless steel