Armstrong 12-992 1/2-Inch Drive Armstrong MAXX Standard Handle Ratchet Made in the USA - Quality and Availability Unique enclosed head (no screws) with two O-rings resists contaminants for extreme strength and long life. Sleek tapered head with a low profile design permits access in extremely confined areas. Recessed reversing lever has as On/Off markings for SAFETY Torque wrap design reduces stress on gear and pawl teeth for greater strength and durability