Description 1.SIZE: Premium 4.10/3.50-6 inner tube 2.Replacement for wheelbarrows, garden and utility carts, lawn mowers, tractors, hand trucks, trailers, dollies, trolleys, wagons, generators, snow blowers, pressure washers, air compressors, wood chippers and more 3.HEAVY DUTY: Made from isobutylene isoprene rubber, NOT recap, which is better in air tightness, elastic damping and aging resistance than natural rubber. Heavy duty and durable 4.NOTE: Please check the size of your equipments existing tire/tube. If it is the right size, it should work just fine. Not for highway use 5.EASY INSTALL Measurement: 4.10/3.50-6 Feature: Inflatable Valve: TR87 bent metal Valve Stem colour:black Material:rubber Package Contents: 2 * Inner Tube Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.