Wera 851/1 BDC SB 25mm Diamond Coated Torsion Bit PH1 for Phillips Screws 05073332001

High quality bits for Phillips screws with tiny diamond particles on the bit tip.
Ensures a secure fit of the bit in the screw, reduces the contact pressure required and lowers the risk of slipping.
Comes with Torsion zone – where kinetic energy is diverted from peak loads.
Softer BiTorsion zone to prevent the bit tip from twisting under peak loads.
Greatly extends the product service life.
1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.