Provides easier penetration into concrete, drywall and structural steel. 7/8 in washer prevents overdrive and increase holding value when fastening wood or thin metal to concrete or structural steel. Fits most powder actuated tools that use 22 cal. Single shots of 27 cal. Shank diameter of 0.145 in.

Use with Ramset, hilti, Remington and most powder actuated tools that use 22 cal single shots, 27 cal. 10 strips and 25 cal discs. For models of low velocity powder actuated tools with 300 or larger barrel diameter. Knurled shank pins for fastening to structural steel. Diameter of 0.145 in.