Size 11.4 inch , Tool weight: 10 lbs, Max 1500 ftlb, Air inlet: 3/4 ", Air hose diameter: 3/8(1/2"), Air pressure: 90 psi(120 psi~up), Air consumption: 10 cfm. Suggestion: For maximum performance, you need at least 15 gallon compressor at 120 psi or higher and a 1/2" hose. TZTOOL 3/4" 3300K In-line PRO is perfect for trucks, trailers, commercial vehicles, agricultural machinery.., More full torque and endurance than other 3/4" impact guns, 3300K allows you to use it daily with ease. DIY er at garage: Please note~ 1. Fill 5 drops air tool oil into air impact wrench before use. 2. No use for long term, please fill air tool oil into air impact wrench and start unload till oil and water all out of tool.