The standard model can be used on most standard aluminum carabiners. The Rescue Clip lets you easily attach to anchors and out of reach victims. Made from stainless steel spring to last forever. Designed to hold virtually any carabiner in the open position for attachment to an anchor point or other attachment points. Also available with strap to attach to a paddle or pike pole for extended reach. Carabiners and poles sold separately.Made in U.S.A.