The Facom Coupler Set allows the use of square drivers smaller than socket drive sizes: 1/4 inch square drive for 3/8 inch socket, 3/8 inch square drive for 1/2 inch socket, and 1/2 inch square drive for 3/4 inch socket. Its compact design reduces the number of tools needed for in-situ maintenance operations and weight is 96 g. Magnetic retainer and locking system JS and SK
Knurl for hand tightening in difficult access areas