Draper Cross Slot Insert Bit, 1/4" Hex, 25mm Long, No.2 (Pack of 10)

ManoMano

Chrome vanadium steel hardened, tempered with a shot blasted finish Supplied in 1, 2, 5 or 10's Display packed This is a Draper product.

Electrical World

Chrome vanadium steel hardened, tempered with a shot blasted finish. Supplied in 1, 2, 5 or 10's. Display packed.

Amazon

Insert Bits Chrome vanadium steel hardened, tempered with a shot blasted finish.