... size:20mm, 32mm available Features:1. Diameter: 50mm-400mm available2. Diamond grit: #100, #150, #200, #300, #400, or upon your ... wheel, bowl-shaped wheel, cup-shaped wheel,dish-shaped wheel, wheel tapered one side or two sides and so on. Various shapes and sizes of grinding ... Duoling Tools Co.,Ltd is the largest professional manufacturer of diamond tools with a history about 30 years experience in ...