Wera 7773 B Square Drive Insert, 9X12-mm., 9X12x3/8-in.x44-mm.

Wera 7773 B Square Drive Insert, 9X12-mm., 9X12x3/8-in.x44-mm.Square head insert tool 9x12 mm For torque wrenches from the Click Torque X series with 9x12 mm mounting For 3 8" square socket wrench inserts and 3 8" connecting parts with square drive With safety pin The chrome vanadium steel version makes the plug in tools suitable for heavy loads Application: For 3 8" square socket wrench inserts and 3 8" connecting parts with square drive Drive: 9x12 mm; for torque wrenches of the Click Torque X and XP series