Stanley Stainless Steel Screwdriver Bits, For Industrial

Masterbit High quality material, Cr-Mo-V, enables the bit to achieve high hardness while maintaining the tenacityHigh hardness, provides strong resistance to wearing: 56-60HRcMasterbit Torsion High quality material, Cr-Mo-V, enables the bit to achieve high hardness while maintaining the tenacityHigh hardness, provides strong resistance to wearing: 56-60HRcGood access to confined spaces for screwing/unscrewingThe special zone for torsion cushions the final effort of screwingThe life of the bit and the screwdriver is longer due to the torsion power Click PDF for Detailed Information ..