Nikon ProStaff Bino Harness Color Nikon ProStaff Bino Harness - Black. Your Nikon Binoculars are attached to the elastic shoulder straps with a secure quick release connection designed to move smoothly and easily up and down the straps for quick access. Self centering back piece features Nikon Hunting ProStaff logo. Available Options: 6121: Nikon ProStaff Black Bino Harness 6122: Nikon ProStaff APG Camo Bino Harness Specifications for Nikon Binocular Accessories 6121: Mfg Item Num: 6121 Category: SLINGS & SWIVELS Type: Binocular Harness Swivel Size: N/A Length: Adjustable Width: N/A Color: Black Material: Nylon Webbing Package Contents: Nikon ProStaff Bino Harness Nikon ProStaff Bino Harness Color Nikon ProStaff Bino Harness - Black 6121