Wera Diamond Coated BiTorsion Phillips Screwdriver Insert Bits

Wera Professional Diamond Coated BiTorsion Phillips Screwdriver Insert Bits

• High quality professional screwdriver insert bit
• Tiny diamond particles bite into the head of the screw. Minimises 'cam-out' - reduces bit and screw head wear. Reduces contact pressure exerted by the operator - by over 65%
• BiTorsion technology absorbs maximum loads - increases tool life. Ideal for use with the BiTorsion bit adaptor - ideal system for all wood fastenings
• Selected material withstands high torque loads
• Phillips cross head tip, 1/4" hexagon drive
• Wera article 851/1 BDC (25mm) and 851/4 BDC (50mm)