UTG Pro keymod compatible standard QD sling swivel adaptor. Features: - 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 - Assembly tool for simple and friendly installation - no gunsmith required. Specifications: - material: aluminum - height: 0.45" - length: 1.33" - weight: 0.4 oz - color: black