Leapers Picatinny-mount 45 degree Angled Offset Quick-detach sling swivel adaptor is constructed form aluminum with a matte black hard coat anodize finish. It accepts any Quick Detach sling swivel with 0.37 diameter swivel stud and includes a T20 torx Allen wrench. Features: UTG low profile Picatinny-mount 45 degree angled offset quick-detach sling swivel adaptor Precision machined from aircraft grade aluminum with hard anodizing matte black finish Rugged mounting base with max strength Torx drive locking screw to fit on Picatinny rail Extremely compact, lightweight, and super low profile Accepts any quick detach sling swivel with 0.37 inches diameter swivel stud Mount reversible for right or left-handed sling use Qd swivel housing designed with quarter-turn rotational overtravel stops to better control sling position and movement Includes T20 Torx Allen wrench for simple and friendly installation, no gunsmith required