1/4" FNPT Extended Reach Dual Head Air Chuck, 2-Way Connection 11.8" Extended Brass Air Chuck with Rubber Handle,Tire Chuck with Quick Plug for Semi, RV, Truck Dually Tires. 1.12" EXTENDED DUAL HEAD AIR CHUCK: Straight foot air chuck are deisghed for inner wheels or difficult reached valve as well as the 30°reverse chuck are for outer wheels.