Diameter: 34mm Overall Length: 154m / 6.1" Overall Height: 59mm / 2.3" Mount Length: 154mm / 6.1" Ring Width: 50mm / 2.0" Central Height: 35mm / 1.4", bottom to center Ring Length: 26mm / 1.0" Gap Length: 70mm / 2.7" Material: 6061-T6 aluminum alloy Weight: 250g / 8.8oz Mount: Picatinny Finish: Hard anodizing in black matte Screws per ring: 6 High-durability aluminum alloy in black matte, designed for big recoil calibers Do not use over 18 inch / pounds of torque on the scope rings' screws Suggest 25 inch / pounds (Can Accept Max 45 Inch / Pounds) torque force for big nuts when installing the mount on the picatinny rail 20MOA 6MIL Style and designed for hard and rigorous use With hex key and retail package, hex key can be used to fasten the clamp nuts Item Nº: 0 MOA Type SCTM-60 | 20 MOA Type SCTM-61