Precision machined steel holder with black oxide coating to prevent rust. Locks onto 1-1/4" shaft with a non-maring internal locking ring seizure that is adjusted by a 4mm set screw.
Blade: Size: 2.55 OD x 1.52 ID x .12 Thick. Each blade contains (3) #8-32 tapped holes for securing to blade holder.
The complete assembly comes with (3) #8-32 mounting screws, and (1) flat blade.
2mm Ball End Hex Screwdriver (Item # 10193) is recommend to use on #8 Screw.