Bosch Square Extra Hard Robertson Screwdriver Bit

This Bosch Square Extra Hard Robertson Screwdriver Bit is supplied in an R1 Square tip size, 50mm length, in a pack of 3. The longer 50mm length provides greater reach for recessed fixings, deep countersinks, or applications where a standard 25mm bit simply cannot gain adequate access. The R1 tip is suited to smaller Robertson-head screws. Manufactured from S2 Modified Steel with an optimised heat treatment process, this bit delivers extra-hard quality for consistent performance across all scre