The magnetic Range Wrap is the perfect way to position your rangefinder in a convenient location. Attaches to your belt, or backpack  strap, so it is always right where you need it. Magnetic base holds it in place. Easily mounts to any pack strap or belt. Includes the "Range-Lock" securing system. Size is for newer Leupolds, Bushnell, Nikon, Leica, etc. that fit in the palm of your hand.