1. Made of high‑quality aluminum alloy, non‑toxic, harmless, wear‑resistant, and can be used repeatedly.2. Reasonable size, suitable for the hand shapes of people of all ages, comfortable grip.3. Bright color, can be used indoors and outdoors, eye‑catching and easy to distinguish, hollow design, effective weight reduction/reduce resistance.4. Important accessories for sports occasion, suitable for track and field sprinting, practical accessory.5. 3pcs of relay are available for use, enough to satisfy your replacement needsSpec:Condition: 100% Brand NewItem Type: Relay Material: Aluminum AlloyQuantity: 3pcsSize: Length: Approx. 29cm / 11.4in, Diameter: Approx. 2.7cm / 1.1inPurpose: Track and fieldFunction: Package List:3 x Relay Notice:1. Please allow 0‑1cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.