Product Description 1 inch 25mm/30mm gun support flashlight torch Laser hunting frame Mount Weaver 20 mm Picatinny Rail Feature: Fits on 20mm Picatinny weaver rail mounts. Rings are for a solid mount. For standard scopes 25.4mm/30mm scope tube. These are very high quality scope rings for you rifle, and make an excellent upgrade. Specifications: Material: High Quality Aluminum Type : Low Profile, see through Ring Diameter : 25.4mm/30mm Color : Black Size: As the picture shows Weight: 59g/2.1oz Package Included: 1 x Ring Scope Mount 1'' insert Note: Manual measurement, the measurement allowed error is +/- 1-2 cm. Please carefully compare the size of our products and the installation dimensions of your equipment before buying.