The finishing touch to your rifle and optic combination. Pro Series rings combine rock-solid reliability and strength with high quality machining to ensure ultimate accuracy and consistency. Streamlined, lightweight and durable, these rings use four T-25 Torx-style socket cap screws for secure mounting. Available in two heights for 1 inch tubes and four heights for 30mm tubes. Features: Type 2 Matte Black Anodized Laser Engraved Torque Specifications Integrated Recoil Lug Made in the USA Specifications: Center Scope Height .95 inches (24.13 mm) Weight (per ring) 45.92 grams (1.62 oz) Mount Compatibility Picatinny and Weaver Base Clamp Screws 30 in/lbs Ring Screws 18 in/lbs Included in the Box: 2 Pro Series Rings T-25 torx-style wrench 2 additional screws