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 New Brand: GUB Model: G-510 Material: Aluminum Alloy Color: Red, Purple, Blue, Black, Gold, Silver(Optional) Quantity: 2Pcs Screw Head Diameter: Approx. 13.6mm / 0.53in Thread Length: Approx. 12mm / 0.47in Thread Diameter: Approx. 5mm / 0.2in Weight: Approx. 15g Packing 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 yourunderstanding. 1Perfect fits for Disc brake rotor or water bottle cage. 2Aluminum alloy construction, anti-rust, stable and durable. 3Bright colored appearance, attractive and also decoration for your bike. 4High precision screws are easy to install and use. 5Desirable screw bolts are prepared for your bikes.