[50mm]
S2 high quality steel, this batch of head using S2 high quality steel, batch head surface for steel material color, from inside to outside are the same. Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head. Strong magnetic,can suck the screws easily when used it. Type of head:TT5+TT6+TT7+TT8+TT9+TT10+TT15+TT20+TT25+TT27+TT30+TT40