Yato Professional 109pcs 1/2 1/4 Ratchet Socket Set Tools Toolbox YT-38891. Ratchet 1/2 ", 72T, CrV6140, L= 255 mm. Ratchet 1/4 ", 72T, CrV6140, L= 155 mm. Single Socket and Ratchets. - The socket wrenches as well as the drive of the sockets are made of strong, tool chromium-vanadium CrV 50BV3.
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