Style 101 Universal Spanner A rugged, all purpose tool. Gas cock shut-off located for maximum strength and leverage. Fits ¾" thru 6" rocker lug and pin lug fittings. Weight: 8 Ounces. Length: 10½". Style 103 Hole Type Spanner A compact hole type spanner designed for use on ¾" and 1" booster hose fittings. Weight: 3 Ounces. Length: 7½". Style 104 Double End Hole Type Spanner For use on ¾" and 1" booster hose couplings and 2½" hole type fittings. Weight: 3½ Ounces. Length: 7½". Style 106 Catch-All Spanner Fits ¾" thru 6" rocker lug, pin lug, slot type, or split lug fittings. Gas cock shut-off located for maximum strength and leverage. Weight: 9 Ounces. Length: 10".