The wera 10 piece bit-check impaktor screwdriver bit and holder set is a professional-grade impact driver bit kit designed for tradespeople who demand durability and performance under heavy use. Built around wera's impaktor technology, each bit is engineered to withstand the extreme impulse peaks generated by impact screwdrivers. The included impaktor holder features a double torsion spring that absorbs these peaks, significantly extending the working life of both the bits and the tool. Diamond-coated tips provide increased frictional resistance, effectively biting into the screw head to prevent cam-out a critical advantage when driving fixings at speed. The pz and torx profiles cover the most commonly specified fastener types on site, making this set ideal for general construction, joinery, and first-fix electrical or plumbing work. The compact, lightweight bit-check storage case stands upright on any work surface, keeping bits securely held yet easy to retrieve. Wera's colour-coded take it easy tool finder system makes identifying the correct profile and size quick and straightforward, even when working at pace. Features and benefits: impaktor technology for above-average service life under extreme conditions diamond-coated tips grip the screw head and prevent cam-out impaktor holder with double torsion spring absorbs impulse peaks upright-positionable, multi-component bit-check for compact, organised storage take it easy tool finder with colour coding for fast bit iden...