T20 Screwdriver Bits 10pk Battery Drill Bits. Fits Velux Window Screws - 797963

T20 Screwdriver Bits 10pk Battery Drill Bits. Fits Velux® Window Screws - 797963

T20 Cr-V S2 Screwdriver Bits 10pk

Chrome vanadium S2 steel bits supplied in a handy storage case. 1/4" hex drive. Length 25mm. Fits the screws in Velux ® Windows perfectly.