Diameter: 34mm Height: 34.5-40.5mm (1.35-1.60in) from bottom to ring center Ring Width: 26mm 1" Weight (net): 165g / 5.8oz; 190g Finish: Black matte Material: 6061-T6 Mount: 1913 picatinny Unique construction provides strength well with steel cross-bolt Six torx screws per ring will hold your scope under any conceivable situations Perfect alignment and superior accuracy Do not use over 18 inch / pounds of torque on the scope rings' screws Fittings include: Hex key Suggest 25 inch / pounds (can accept max 45 inch / pounds) torque force for big nut when installing the mount on the picatinny rail Item N°: XASR-3050