Slings Swivel 1.25 Inch，Fit Ultralight Keymod NSR Handguard，Simple to use installation，Mounts directly to Keymod holes.Various degrees on installation，No nuts or attachment sections required.
Designed to allow the operator to mount the popular Heavy Duty Push Button Quick Detach Sling Swivel anywhere along their Slim Rail or other KeyMod rail system.
Push button swivel hook easy to install with Adapter.
Aircraft grade aluminum with hard Anodizing matte back finish. Compact, lightweight, Super low profile.Heavy du Made using the highest quality material Pls. click if you need the mount adapter shape with round edge.