Color: gold plated Material: Duralumin (aluminum alloy) Weight: 3.5g ●Main dimensions: Diameter 22.0mm Thickness 7.7mm Compatible models: ABU Ambassador 1500C/1500CI/1500C IAR/1500CA Limited/1500CDL/1600C/1601C/150PLUS/2500C/2500CI/2500C IAR/2500CS Rocket/2500CDL/2501C/ Compatible models: 2600C/2600C Elite/2601C/2601C Elite/3500C IAR/3500CS Rocket/3500CA Limited *3500C (non-IAR) is not compatible. *Please be sure to purchase right-handed or left-handed.