Included one pair of QD Snaplock. Use for KODAK Multi-Purpose Camera Strap Quick-Detach (QD) System: lightweight yet durable metal swivels which assist in attaching and detaching cameras swiftly KODAK Multi-Purpose Camera Strap functions as a neck strap to hold SLR cameras, or as a crossbody strap to carry compact cameras or smart phones. Along with a Quick-Detach (QD) System that allows cameras and phones to be interchanged seamlessly, making an incredible convenience to you.