These Haltec air chucks are the best I have ever used. They hold the tire nipple very securely thanks to the annular design with multiple 'gripping teeth', they hold up better than the single lip tire chucks you see elsewhere. The Haltec lock is strong yet easy to install, you can do it with one hand - just squeeze the flap and then slide the ring forward to lock it. The materials are fantastic and all the air lining is high quality. However, note that the price is higher than no-name air…