These Blue Steel impact screwdriver bits from C.K are manufactured from specially formulated V8 steel alloy for extreme toughness and are suitable for use with Torx screws. * Torsion control technology to withstand stresses of high torque applications * Long working life * Size TX40 * Length 25mm * Manufacturer's part T4560 TX40 https://elecena.pl/product/27261914/ck-tools-t4560-tx40-blue-steel-impact-screwdriver-bit-25mm 2024-11-13 https://elecena.pl/product/27261914/ck-tools-t4560-tx40-blue-steel-impact-screwdriver-bit-25mm 2026-07-16