High Profile: Ring Top Picatinny Rail and Weaver base mount, inner Diameter 30mm/25., 4mm rings are suitable for most scope and tactical flashlight. Application: Top rail provide places for gun accessories when you aim with a scope sight. Heavy Duty 30mm 1 Inch Scope Rings With Picatinny Rail On Top & Sides Comes with 6 heavy-duty scope clamp screws, can keep the scopes tightly, not easy to shock... Top Rail Type: Picatinny/Weaver Base Rail Type: 11mm Dovetail Tube Diameter: 1'', 30mm Item Weight: 128g Easy to install & Release by Allen Wrench Steel Picatinny 30mm Scope Rings Quick Release - Ultra Low Pro Pro 30mm Scope Rings for Picatinny Rail 7075 Aluminum Low Prof High Profile 1 Scope Rings If you are a avid hunters and sports enthusiasts, this scope mounts are essential pieces of equipment for you., *Size: Length: 1., 77 inches, Width:0., 83 inches, Height: 1., 69 / 2., 32 inches., Rail size: 11mm. Heavy duty 4 screw design for save weight. Increase the shooting experience when hunting outside. Hunting Gun Scopes Focuhunter 25.4mm / 1 In Cantilever Mount | Focuhunter Rifle Scope Easy To Install: Hex Screws with Retention Features and Full Length Locking Plate to Guarantee Easy Installationand Secure Fit.