An easy to install, easy to remove piece of hardware which allows you to convert your helmet to a traditional Snap Post system--without drilling! Simply unscrew the thumb wheel from behind the housing, remove the housing from the helmet, place the Strap Adapter in the same position and lock it into place by tightening the thumb wheel screw already provided with the helmet. You can also buy SportStar's easier to use thumb screw. Sold by the set - each set has two (2) adapters, one for each side of your helmet. Shop with confidence – enjoy an unconditional guarantee of satisfaction on your purchase!