Smartpro AirDo X replacement Collets
Smartpro AirDo X & AirDo S replacement Collets
Collet 3.50mm & 2.50mm 3 pcs each size with allen key
Works with Smartpro Air Do X & S engraving system
https://www.uptowntools.com/products/air-do-x-stone-setting-engraving?_pos=2&_sid=8cf5627e2&_ss=r