Item Type: 4.10/3.50-4 Inner Tube Weight: Approx.208g / 7.3oz Material: Rubber Valve: Bent Valve Wheel Specification: 4.10/3.50-4Package List 1 x 4.10/3.50-4 Inner Tube Before installing the inner tube, check that there is no burr at the opening of the rim and the tyre fitting tool is not incisive to avoid puncturing and scratching the inner tube. 1Wide Applicability: It has a wide range of applicability, suitable for carts, utility vehicles, lawn mowers, yard trailers, garden tractors. 2Manufacturing Material: Made of high quality rubber material, stable internal structure, strong flexibility, can fully meet the international standard air pressure. 3High Performance: Higher safety performance than ordinary inner tube, and longer service life. 4Safe Riding: Rubber inner tubes absorb vibrations on bumpy roads to ensure a comfortable and safe ride. 5Diverse Features: It has good sealing performance, ozone resistance, anti aging, shock absorption and electrical insulation advantages. 6Simple Operation: Simple to operate, easy to use, easy to install and disassemble.