These Roller Dressers are as good as multi diamond tool in which row of diamonds are fitted into the circumference of roller bodies at a regular distance apart. After one row of diamonds become flat/worn, by turning the roller further new tips are used for dressing, thus ensuring clean equal dressing. A special process is used to select the Needle diamonds & Natural diamonds for these type of roller dressers. Relatively small diamonds are used. These roller dressers are sufficient to cover the whole range of wheel dressing operation.
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