Features: 1.Double Face Hammer:Chrome plated steel hammer has nylon and brass heads to ensure strong but non-marring contact while in use. 2.Brass:8Pcs roll pin punch including 1/8" 9/64" 5/32" 3/16" 7/32" 1/4" 9/32" and 5/16" Made of brass for use with surfaces that may be damaged by steel punches. 3.Hollow End:4Pcs hollow end starter punch set including 1/16" 5/64" 3/32" 1/8" will cover all of the AR platform including trigger guard gas block and forward assist. 4.Quality Steel:4Pcs steel punches including: 2 each of 1/16" and 3/32" after special treatment pins are durable. 5.Special Plastics:2Pcs sturdy plastic punches including 15/64" 3/8" used special treatment of plastic has higher hanroness ang higher density. Specifications: Package Size:290*210*57mm Material:Brass Steel Plastic Weight:0.9kg/set Notes: 1.Due to the effects of light and shooting angle the actual color of the item may differ slightly from the color shown on the picture. 2. Due to manual measurement please allow 1-3cm measuring deviation.Thank you for understanding includes: 1*Punch Set(19pcs)