Material: High quality aluminum oxide, strong grinding force, great polishing effect, can be used as a set with Dremel Rotary Tools, Straight Angle grinder, pneumatic tool, electric drill, pneumatic drill, bench drill etc
Maximum RPM: 25000, easy to install, suitable for grinding and polishing of metallurgy, machinery, stainless steel, wood products, furniture, hardware, plastics, melamine, textile etc. industry