Movable stop pin and solid compatibility - Fits 11mm dovetail rail low- and high-profile scope rings. One of the rings includes a bottom stop pin for rock-solid alignment and reliable mounting. Four-screw fixed design - Four screws provide secure fixation of the scope ring assembly. This setup is more secure than a single screw on each side and lighter than a six-screw configuration. High-quality materials and construction - Made from high-strength steel with a black matte anodizing finish. Sturdy yet lightweight, the rings offer no wobble and deliver durable, safe performance in the field. Built-in tape to protect and position - Each ring includes built-in tape to prevent marring the scope, reduce sliding, and hold position accurately. Use scenarios - Hunting or sport shooting on rifles with 11mm dovetail rails, where stable scope alignment and durable mounting are essential. - Mounting on high-recoil setups to improve stability and maintain zero during field use. - Field or range scenarios where protecting the scope finish and preventing movement between shots is important. Notes - Designed for 11mm dovetail rail systems and compatible with low- and high-profile scope rings. Built to provide a secure, wobble-free mounting solution with added ring protection for the scope.