Features:Perfect fits for Disc brake rotor or water bottle cage.Aluminum alloy construction, anti-rust, stable and durable.Bright colored appearance, attractive and also decoration for your bike.High precision screws are easy to install and use.Desirable screw bolts are prepared for your bikes.Specification:Condition: 100% Brand NewBrand: GUBModel: G-510Material: Aluminum AlloyColor: Red, Purple, Blue, Black, Gold, Silver(Optional)Quantity: 2PcsScrew Head Diameter: Approx. 13.6mm / 0.53inThread Length: Approx. 12mm / 0.47inThread Diameter: Approx. 5mm / 0.2inWeight: Approx. 15gPacking List:1 x Pack of 2Pcs Bike Water Bottle Holder Screws* Other terms on pictures are not included.Note:Please allow slight color deviation due to different monitors. We appreciate for your understanding.