Specification Product Name Tail Belt Tightening RingMaterial Aluminum Alloy Fully CNCColor RedScope of Application ALZRC Devil R42 420mm FBL RC HelicopterPackage Included Tail belt tightening ring x 1Cup head hexagon socket screws M2 5x10mm x 2Cup head hexagon socket screw M2 5x8mm x 1Rubber cover x 2