bullet point:
Portable size, carry it anytime, anywhere
Rapid Push Button Detachable Swivels.
Easy to install, and versatile.
Suitable for most ARs that meet industry standards. Suitable for hunting, gun movements, tactical shooting and other indoor or outdoor activities.
Suitable for universal housings in stock and on rails. For example: magpul, Ak QR / QD slot, (you need to install the QD button first.)

Description:
Material: steel
Ring size: 1.25 inches. Suitable for slings up to 1.25 inches wide
Easy to use and install, lightweight heavy-duty button QD sling swivel mounts are easy to push buttons for removing and installing swivel joints.

Package included:
2 pcs Push Button Quick Detach Release QD Sling Swivel Scope Mount Ring

Packing list

2 pcs Push Button Quick Detach Release QD Sling Swivel Scope Mount Ring