Specifications: Locking Levers Securing Method 0 MOA Inclination 36mm Ring Diameter 1.181" / 30 mm Height to Bottom of Ring 1.890" / 48 mm Height to Centerline 3.000" / 75 mm Length Inside of Rings 4.921" / 125 mm Length to Outside of Rings 4.921" / 125 mm Overall Mount Length 3.937" / 100 mm Length Between Nuts/Levers Featured Upgrades For 2nd Generation Lightweight lever and hex nut system Weight reduction up to 35 g / 1.24oz Same durability guaranteed ERATAC’s lever system, well-known for many years, will now be replaced by their new lightweight T4 lever system (GEN-2). NEW: T4 (GEN-2) – Safety Levers ALUMINUM Replaces the former T1 safety lever system. Their new T4 lever system is made from high-grade aluminum and is, like the previous T1 lever, equipped with an additional safety catch to avoid unintentional opening. The clamping force is fully adjustable and easily compensates for possible tolerances of the Picatinny dovetail. The ergonomic shape of the lever facilitates an easy handling, even when wearing gloves. The position of the levers can be freely chosen towards the front or rear. ERA-TAC ERATAC Gen 2 One-Piece Mount 36mm 0 MOA 30mm Levers T4016-0030