The special binding with stable edges makes the AP Tapered Barrel sharpening stone a long-lasting companion in the laboratory.
 Due to their high proportion of bonded diamond grains, the yellow burs can be used without pressure - with little heat generation - on all all-ceramic restorations. effective on all all ceramics, including zirconium oxide, high diamond grain concentration in a special bond. Edge-stable, break-proof and extremely durable