Available in RA and FG shanks, these special bladed carbides remove bonding resin safely without harming tooth structure. The safety bevel at the tend of the blades reduces the risk of cutting striations in the enamel surface and the safe end prevents injury to soft tissue. The various lengths simplify trimming smaller and larger areas.FG-Friction Grip (31) 19mm L x 1.60mmRA-For Use in Latch-Type Angles (21)