Grace USA AR 15 Punch & Hammer Set 17 pcs. The set includes 12 steel punches 4 brass pin punches and 8 oz Delrin Tipped Brass Hammer. The steel punches made from hex stock high carbon molybendenum tool steel. Ideal for the professional Gunsmith and Gunsmithing hobbyist. Guaranteed Forever. Specifications for Grace USA 17 Piece AR 15 Punch & Hammer Set: Manufacturer: Grace USA Condition: New Quantity: 17 Gun Model: AR-15 Package Contents: Grace USA 17 Piece AR 15 Punch & Hammer Set w/Bench Block What firearm models does the manufacturer say Grace USA 17 Piece AR 15 Punch & Hammer Set is compatible with? The manufacturer says that Grace USA 17 Piece AR 15 Punch & Hammer Set is compatible with AR-15Grace USA GRAR1517BB: AR 15 Punch & Hammer Set 17 pcs