1 x 1/4" FNPT thread. Two chucks cater to inner and outer wheels - straight foot for inner wheels and 30° reverse chuck for outer wheels. Ideal for inflating truck, RV, and bus inner duals with its 9" overall length.
Silver Dual Head Air Chuck 1/4" FNPT Straight Lock Truck RV Tire Inflate Chuck
10 Pcs Silver Dual Head Tire Air Chucks 1/4'' FNPT for Inflators, Trucks, Bikes
Dual Head Air Chuck Set Tire Air Fill Kit for Tire Inflator Gauge Air Compressor
Dual Head Air Chuck Kit Tire Air Fill Kit for Tire Inflator Gauge Air Compressor
