Geinxurn Impact Tough #1 Phillips 1 in. Insert Driver Bits PH1 Power Screwdriver Bits Set with Bit Holder

1INCHES #1 Phillips Screwdriver Bit setS2 ALLOY STEEL High quality material bits set.Anti-rust, anti-slip, and anti-corrosion. anti-impact and tough, great wear resistant. Strong magnetic, good workmanship, high precisionExtended Torsion Zone Absorbs torque peaks to reduce breakage and comes with high-visibility sleeves for greater user convenienceMade of high quality S2 Alloy Steel which is anti-impact and tough, great wear resistantPRECISION MACHINED TIP Heat-treated manufacturing for stronger bit. Precision machined tips with superior fitment for full contact fit and longer lifeWidely used