Material: Aluminum alloy Size:75*45mm (2.95*1.77in) Suitable for 6–8mm hi-hat Inner core Packing: 1*Drum kit hi-hat clutch Note: 1.Please allow subtle error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!