5 Piece Bull Bits 150mm PZ2 Shock Zone Impact Screwdriver Driver Bits. - 5 x 150mm PZ2 Drill Bits. Professional quality Impact Driver Bits specially designed for use with impact drivers. Torsion Zones allows impact to be dispersed evenly throughout when used at continuous high torque as it can withstand changes of load resulting in less breakage and improved durability due to the flexibility.
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