Blister packed sleeve metal coated bit holder of high quality non rusting stainless steel therefore recommended for use with stainless steel bits suitable for din 3126 iso 1173 style d 63 f 63 and double bits drive din 3126 iso 1173 style e 63 application whenever the bit needs a secure and zero play hold optimised for the use of long bits extra due to the special holding mechanism this bit holder holds all types of bits with 14 hex drive the play between bit and hol