Features:

Durable all metal construction
Lightweight, made of aluminum with black anodized matte finish
Easy installation (tool included)
Compatible with most lasers, scopes and flashlights
Fabric liner for increased friction and protection of your accessories
Fits standard 20mm rails
 

Specifications:

Dimensions: 2.2"" x 1.8"" x 15mm
Weight: 40g (1.5oz)
Material: Aluminum, Steel
Ring Diameter: 1 inch
Finish: Black Matte
Interface: 20mm Picatinny / Weaver Rails
 

Items Included:

Two (2) 1"" ring mounts for 20mm rails
One (1) Allen key