Wera Pro BiTorsion Phillips Screwdriver Insert Bits

Wera Professional BiTorsion Phillips Screwdriver Insert Bits

• High quality professional screwdriver insert bit
• BiTorsion technology absorbs maximum loads - increases tool life. Ideal for use with the BiTorsion bit adaptor - ideal system for all wood fastenings
• Unique hardening technology - for a more durable bit
• Selected material withstands high torque loads
• Phillips cross head tip, 1/4" hexagon drive
• Wera article 851/1 BTZ (25mm) and 851/4 BTZ (50mm)