This Rangefinder Set includes the following PRO G3 Bino Harness System components: -PRO G3 Bino Harness w/ ammo holder -Rangefinder Holder -Rangefinder Lanyard (Reg) -Accessory Pocket Featuring our patent-pending Rail-Lock™ connection system, its modularity allows you to swap accessories in or out for versatility on any hunt. Choose the size of the bino harness based off your binocular’s height, while the shoulder straps are fully adjustable to accommodate a broad size range of users.