ZBros Archery Zbros Light Dock Black. No more Velcro straps or zip ties back plate uses 3 pairs of spacers to custom fit to your sight extension snugly. Once the light dock is secured onto the sight bar your Zbros sight light easily clips in and out. Includes clip backplate and 3 pair of spacers (high meduim low). For Zbros Evolution Evolution Plus and Essential sight lights only. Specifications for ZBros Archery Zbros Light Dock: Manufacturer: ZBros Archery Color: Black Features of ZBros Archery Zbros Light Dock: Allows for easy and convenient placement of your Zbros sight light All hardware and adaptors included to attach to most sight bars Once the light dock is secured onto the sight bar your Zbros sight light easily clips in and out Package Contents: ZBros Archery Zbros Light Dock ZBros Archery LD101BLK: Zbros Light Dock Black