Standard Bore Tool Product Type Automatic Tire Inflation System Accessories Material Brass Plastic Steel Overall Length 3 in Overall Width 3/4 in Overall Height 3 in Overall Diameter 3/4 in Color Clear Includes Core Remover Features 1/4 Female NPT Allows Easy Attachment to Air Hose Clip-On Style Chuck Ideal for Nitrogen Purging and Inflation Reduces Inflation Time by 50 Percent Retractable Core Housing Allows Safe Removal and Replacement of Valve Core