Sabian HHX Groove 15 inch Hihat pair (11589XN) in flawless, as new condition.

B20 alloy, Made in Canada.

You can hear this exact hihat in the following YT video:

https://youtu.be/md9biIAdrVk

Manufacturer's data sheet:

https://sabian.com/product/11589xb-15-inch-hhx-groove-hats/