X4 BAP black impact driver bits withstand the high speed and torque of Impact Drivers, so your bit can keep up with you, even under pressure The impact torsion zone on these BAP impact rated screwdriver bits provides extra flexibility to reduce the drill bit breaking under stress and prevent cam-out under load. This set includes X4 X25 25mm PZ2 Impact bits (100) and comes in a mini case with clear lid Features Impact grade power tool bits for the professional user. Precision tip design prevents slipping out of screw head Forged from high quality S2 steel. Premium quality materials and optimised bit design for optimum flex, strength and extreme durability Specially heat treated CNC precision machined tips reduce stress and prevent cam-out under load. Torsion bits absorb impact and transfer maximum torque to the fixing. BAP comprehensive range of Premier Power Tool Accessories, suitable for daily professional use. Includes a Magnetic bit holder / Guide Sleeve for all 1/4 Inch Hex bits, holds screw during positioning. Guide sleeve helps to achieve straight, accurate screwdriving. Guide sleeve reduces risk of finger injury. Diameter for screwdriving guide is 9.5mm Diameter: 1/4 inch Hex Length: 80mm Extends to 120mm when sleeve is fully extended