BGS 314 Push through Ratchet with Adaptor and Step Wrench internal square 12.5 mm (1/2")

made of chrome vanadium steel step wrench with external hexagon: 10 mm (3/8") - 7/16" - 12.5 mm (1/2") - 5/8" - 13/16" profile: internal square (1/2") 12.5 mm drive surface finish: chrome plated, Weight: 1.6314207388 Pounds, Manufacturer: BGS technic