Intended use: to clean up the dentin
·    NiTi alloy material & ISO standard metal handles
·    Recommended rotation rate: 150-350rpm
·    Prismatic cross section
·    Available size: 15#, 20#, 25#, 30#, 35#, 40#, Length: 21mm, 25mm

·    Packing: 6pcs/box with single size or different sizes from 15-40#