Product Features 2" Offset Cantilever for Flat Top Rails 1" (Top of Rail to Bottom of Ring) Weaver Rail with Crossbar Triple Torx Screws hold your scope firmly in place Internal Cushion Prevents Marking & Damage Matte Black Anodised High Grade Aluminum Product Specifications Ring Size (Diameter) 1 Inch Rail Weaver Configuration 1 piece Fixings (Top) Triple Torx (T15) Thread (Top) 6-32 Fixings (Rail) Hex Nut (1/2") Thread (Rail) M5x0.8 Internal Cushion Yes Retractable Recoil Stop Pin No Height 2.3 59mm Weight 6.7oz 190g