The NcSTAR 1 inch Lockable Sling Swivel Pair mounts onto most standard sling studs found on most hunting rifles and shotguns. To unlock them, unscrew the knurled thumb nut, push in, and rotate side are 90 degrees to open sling swivel mount. Place the bar through sling stud on long gun, rotate side arm over the bar and screw in the knurled thumb nut to lock the swivel mount. They have a metal construction and are painted black. These sling swivels are 1.25 inches long and 1.6 inches wide and weigh 0.4 ounces each.

• To Unlock, unscrew out the knurled thumb nut, push in and rotate side arm 90 degrees to open sling swivel mount
• Place bar through Sling Stud on long gun, rotate side arm over bar and screw in the knurled thumb nut to lock the sling swivel mount
• Metal Construction, painted Black
• Width: 1.6 inches outside width, (1.3 inches inside loop)
• Weight: 0.4 oz. each, (0.8 oz. total for both)
• Mounts onto most standard sling studs found on most hunting rifles and shotguns