CPX1546 Features: * Impact wrench model A * Lightweight, yet durable composite housing * High performance dual chamber motor featuring magnesium components * Magnesium and composite for strength and durability * 3 Position forward / reverse for torque and speed control * Drive: 1/2"" * Average air consumption (CFM): 5.5 * Speed - No load (RPM): 5400 * Working torque: 500 ft-lb * Inlet size: 1/4"" Dimensions: * Small and lightweight: 6.3"" Long and 2.7 lbs * Dimensions: 2.9"" H x 7.9"" W x 8"" D