616858 SOCKET WRENCH 12POINT S.STEEL, 12.7MM/SQ DRIVEX21MM (13/16")

Made of stainless steel, suitable for work with stainless steel bolt to avoid “contact corrosion”. When ordering, please indicate the size of the square drive opening at the back of the socket : 9.5 mm (3/8"), 12.7 mm (1/2"), 19.0 mm (3/4").