The edges are lightly chamfered, making it easy to insert the wrench into the screw hole. Each wrench has a five-digit production number that can be used to trace the manufacturing process back to the raw materials stage. The blade is nickel-chrome plated for rust resistance and long life. The grip is made from CAB (cellulose acetobutyrate), a natural material derived from wood and cotton. A favorite for decades, the grooved grip provides a comfortable grip and ensures high torque transmission. The hardness is very high at HRC59, and it is also made to be tough, so it has ex...
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