What's in the Box 2 Pro Series Rings T-25 torx-style wrench 2 additional screws 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. Product Features Type 2 Matte Black Anodized Laser Engraved Torque Specifications Integrated Recoil Lug Made in the USA Product Specifications Center Scope Height: .90 inches (22.86mm) Weight (per ring): 44.7 grams (1.58 oz) Mount Compatibility: Picatinny and Weaver Torque Specs Base Clamp Screws: 30 in/lbs Rings Screws: 18 in/lbs