OLD MATE DESIGNS - AROMA-3
FEATURES: 
62.5MM/2.5INCH Diameter.
Threadless.
Replaceable bearing. (Skateboard Bearing)
No metal on metal rubbing while grinding.
Easy to grip thanks to the unique flat side design.
No anodizing/ceramic coatings to chip and end up in your grind.
CNC Machined from Medical Grade (304) Stainless Steel.
Super sharp teeth that will stay sharp. 
100% Australian manufactured (and proud of it)
Designed, engineered and CNC machined in house at Old Mate Designs HQ.
Built on customer feedback.