Made in the USA, and machined from quality 5/16" 360 solid brass hex stock these punches are perfect for driving roll pins with precision which prevents damage to both the firearm and the roll pin. Made in the USA, and machined from quality 5/16" solid brass hex stock these punches are perfect for driving roll pins with precision which prevents damage to both the firearm and the roll pin. Set includes 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" punches in a vinyl pouch.