Made of heavy-duty chrome-vanadium steel alloy(50BV30) and bits made of S2 steel with corrosion-resistant black phosphate finish,which ensures longevity.
Chamfered bit ends can be inserted into fasteners smoothly and prevent damaging of edges.
Socket set comes with a blow molded storage case, easy to carry, transportation and safe storage.
All Mayouko Tools meet or exceed ANSI & DIN performance standards. It comes with 1 year quality guarantee.