Air Chuck 1/4" RV Heavy Duty Dual for Head Tire Chuck Quick Plug for Inflator Gauge Compressor Accessories for Car Truck Bicycle Motorcycle s: DURABILITY: Heavy duty zinc alloy plated chrome dual tire chuck. EASY TO USE: Both Lock on air chuck and dual for head tire chuck featured a 1/4" NPT female thread for easily connect to air fittings or tire inflator gauges for tire inflation. MULTIFUNCTIONAL TIRE CHUCK KIT: This tire chuck kit is designed to inflate dually truck,car, suv, motorcycle, bicycle (with-valve) etc. INFLATE TIRES DIRECTLY with a push-in chuck design; No need to thread the chuck onto valves stems. Just push the chuck onto the-valve for a strong seal 1/4" Female NPT THREADS fit most air inflators and gauges Package included 1x 1/4" Air Chucks Kit