Rubber Master Brand 16" Tire Inner Tube with TR13 Rubber Valve Stem fits tire sizes 275/70R16 265/75R16 275/75R16 LT. Truck SUV Fits Sizes: 275/70R16 265/75R16 275/75R16 Tube has Standard TR13 valve stem: Straight rubber valve, the most common stem style, measuring approx. 1.38" long and used in the standard size wheel hole of approx. 1/2" For Radial and Bias Tire Applications