The suttontools Screwdriver Insert Bit Phillips PH1 x 25mm uses the world's most widely used drive system, engineered to absorb torque peaks and reduce slippage and breakage during fastening. The magnetic tip securely holds screws in place, while the 1/4" hex shank ensures compatibility with power tools and quick-change adaptors for efficient bit changes on the job. Sold in a 2-piece pack, this compact 25mm insert bit is ideal for tight-access fastening tasks in joinery, cabinetry, and general construction. Note: not suitable for use with impact drivers. Key Features Phillips drive — the world's most widely used fastening system Absorbs torque peaks to reduce slippage and breakage Magnetic tip securely holds screws during driving 1/4" hex shank for use with power tools and quick-change adaptors Not suitable for impact drivers Specifications Drive Type: Phillips Size: PH1 Length: 25mm Pack Quantity: 2 pieces SKU: S1040125