Feyachi Rifle Scope Rings Mount Picatinny/Weaver 1-inch Medium Profile Scope rings are for 25.4mm / 1 inch scope tube. Fits for 20mm picatinny or weaver rails. It's medium profile (0.7 inch).And the item high is 1.97 inch. The scope ring mount is lightweight design.It's 105g only. What you will get : Scope rings,allen key and a spare screw.