Highly accurate dial style inflator features an easy to read digital dial Indicator calibrated 0 to 200 psi Digital dial gauge is protected with a heavy rubber cushion to withstand the toughest home garage or shop use Tapered chuck and swivel dual foot make getting into tight spots easy - a must for racing tires and truck fleets Plated Steel handle attached to Gun body with heavy duty Rivets for a firm, positive action Powered by two 1.5 volt batteries that last over 10, 000 uses; heavy chrome plated castings and durable Hybrid hose; 1/4-18 Female NPT inlet threads