Product Features Accepts Any Standard Quick Detach Sling Swivel with 0.37 Diameter Swivel Stud Precision Machined from Aircraft Aluminum with a Matte Black Finish Low Profile and Lightweight Design with 45 Offset Designed with Quarter-turn Rotational Over Travel Stops to Restrict Swivel Movement Product Specifications Height: 0.38 in / 9.7 mm Length 1 in / 25.4 mm