This is a pair of two (2) new air-loc 21x11-8, 22x11-8, 22x10-8 multi-fitment atv / lawn and garden / golf cart tire inner tubes. They are multi-fit tubes that are made to be used in the following sizes: 21x10-8, 21x11-8, 22x10-8, 22x11-8, 22x12-8, 20x11-9, 22x10-9, 22x11-9 and 22. 5x10-8. Themon applications are for atv, lawn mower and golf cart tires. These tubes have tr6 straight metal valve stems with lock nuts.