Silverline - 10PC SET SCREWDRIVER SOCKETS - 656586 1/4" square drive screwdriver sockets manufactured from chrome vanadium steel, hardened, tempered chrome plated and polished. Sockets have a knurled band for extra hand grip and a hole for positive ball retention. Set contents slotted 4.5, 5.5 & 6.5mm, Phillips no.1, no.2 & no.3 & Pzd no.1, no.2, no.3 & no4.
