Wera 855/4 BTZ Pozidriv BiTorsion PZ1 Bits Extra Tough 50mm Pack x10 Pcs Supplied in a pack of 10, these 855/4 BTZ PZ1 bits are part of Wera\'s \'Take It Easy\' colour coded tool finder system, making it quick and easy to find whilst you work. FEATURES Suitable for Pozidriv screws Ductile and tough for hard materials BiTorsion zone to absorb peak loads 1/2\" square socket drive Take it Easy tool finder: colour coding according to profile and size Above average service life Avoids premature wear SPECIFICATION Wera Product Number: 05059920001 Pack Quantity: x10 Pcs Tip Size: PZ1 Length: 50mm