CBN Grinding Wheels 150mm, 180 Grit, 6" Dia x 1" Wide x 1/2" Arbor for Sharpening High Speed Steel Tools、Woodturning Tools (6"x1") : Amazon.co.uk: Business, Industry & Science
Mastercraft 6-in x 3/4-in 120 Grit Aluminum Oxide Bench Grinding Wheel/Disc Kit for Metal | Canadian Tire
6 x 6 mm Internal Grinding Wheel | Abtec4Abrasives