Tasco handsomely styled 100 percent aircraft aluminum alloy rings can be detached and removed with a coin. Tasco bases are precision fit and won?t move under heavy recoil, and their mounting screws are stronger than traditional weaver style rings. Finish: Matte Specifications: Made of 100 percent aircraft grade aluminum alloy. Model: TS00704 Additional Info: Easy to detach with a coin. Rock solid & detachable. Description: Angle-Loc clamping system