Specifically crafted for shock use, these chamferless sockets have tight tolerances for an exact fit to eliminate rounding or scarring of nut heads. Short in size (25mm-1″ tall) to keep the socket in place under torque. Features finger splines for hand threading and 3/8″ drive for use with torque wrenches . Purchase as set or individually. Set includes 24mm, 26mm, 27mm, 28mm, 30mm, and 32mm sockets. Made in the USA: Bend, Oregon