Dual Air Tire Chuck for Head Tire Inflator Rod 1/4 Inch NPT for Car Truck Bus Tractor RV Protective for Tough Impact-Resistant Features: PRODUCT DETAILS Dual Chuck Air Tire for Head contains a for tough impact-resistant ABS for head and has a female 1/4" NPT (national pipe thread). WHAT IS IT USED FOR The Dual Chuck Air Tire for Head makes it easy to reach stems on inside dual wheels from trucks, buses, tractors, and RV's. QUALITY MATERIALS - The Dual Chuck Air Tire for Head has a protective chrome plated metal body and the for head is made of for Tough Impact-Resistant ABS material GREAT TOOL - The Dual Chuck Air Tire for Head is a great tool for garages at home and the repair shop to keep tires primed and ready! Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you! Package included 1 * Dual Air Tire Chuck for Head