Air Chuck Product Type Heavy-Duty Tire Chucks Chuck Type Straight Lock-On Includes Lock on Head Maximum Operating Air Pressure 200 psi Head Style Single Number of Tire Inflators Not Applicable Pressure Increments Not Applicable Thread Size 1/4 In.-18 Hose Length 6 in Thread Standard NPT Material Aluminum Brass Steel Minimum Operating Air Pressure 0 psi Features Automatic Locking-Design Chuck Extended Reach for Dual Wheels Standards Not Applicable Color Black Finish Anodized