Armstrong's 1/4" Drive Teardrop Ratchet comes with compact head design that permits use in confined areas along with a recessed reversing lever that has On/Off markings for safety. The torque wrap design reduces stress on gear and pawl teeth for greater strength and durability. A unique "hour glass" handle design has a concave shape conforming to the grip of the hand which reduces fatigue and improved comfort. Manufactured from high alloy steel using the most up-to-date manufacturing process and heat treat for greater strength and durability. Meets or exceeds ASME B107.10M and US Federal GGG-W-641E specifications.