Proxxon 3/8" Square Drive Sockets

These high quality sockets are forged using 32CrV steel, their high carbon content ensures consistent hardness and the deep uniform forging on the hex with a thin wall construction gives high strength. The lead in chamfer allows the socket to slide over the nut easily. Double nickel coating with a chrome plated finish and the sizes are etched in for easy reading. Made to a professional standard for industrial use. 25 year guarantee against manufacturing fault.