UTG PRO Made in USA Keymod Standard QD Sling Swivel Adaptor Precision Machined from 6061-T6 Aircraft Grade Aluminum with Matte Black Hard Coat Anodize Low Profile Lightweight and Compact Design Bidirectionally Mounts to and is Fully Compatible with Most Keymod Mounting Platforms Accepts Any Quick Detach Sling Swivel with 0.37 Diameter Swivel Stud QD Swivel Housing Designed with Quarter-turn Rotational Over Travel Stops to Restrict Swivel Movement and Prevent Sling from Unwittingly Getting Tangled Includes Steel Keymod Compatible Locking Nuts Screws and Assembly Tool for Simple and Friendly Installation No Gunsmith Required