DEWALT Powder Load: 0.22 Caliber, Green, Brass 3, Mfr. No. P1000/P2201/T1000, Single Shot, 100 PK

Powder loads for powder-actuated nail guns contain gunpowder to create a controlled explosion that drives fasteners. These charges are color-coded and numbered to ensure workers use the correct amount of force for the fastener and material. OSHA regulations require training and certification for employees who use powder-actuated tools and charges.