Made from High Strength Steel with Black FinishSimply push button to detach and attach swivelSwivel pin rotates freely after plugged inFor use with 1 1/4inch wide slingsGreat for use on Quad Rail forends or other Picatinny accessory rails.Quick- detach feature provides emergency weapon install and releaseQD Push Button Style Stud SwivelsHeavy duty alloy construction. weight: 0.9 oz.