TACFUN 2PCS Tactical Sling Adapter Attachment w/Hole Scope Mount Picatinny Weaver Rail Description Features: Mounts To Any Picatinny & Weaver 20mm Rail Attaches your Sling Clip of the sling to your Picatinny rail CNC Machined Easy to install Product Details: Item Package Dimensions L x W x H: ‎2.5 x 2 x 0.6 inches Package Weight: ‎0.09 Kilograms Item Weight: ‎9.07 Grams Brand Name: ‎TACFUN Manufacturer: ‎TACFUN Part Number: ‎1 Date First Available: January 12, 2015