Feature Tailored for Our Continental Hunting Scopes, Compensate for Bullet Drop Enables Staying on Target at Desired Distance, Achieving Customized Shot Self-assembled and Simple Installation, Can be Fitted Just with Your Hands Specification Height: 12 mm / 0.47 in Diameter: 31 mm / 1.2 in Color: Black Sport Type: Hunting Material: Aluminum Alloy Weight: 17.3 g / 0.61 oz Available for: Continental Hunting x6 and x8 Hunting Series Video