Proxxon TCT Rasps Great for sculpting, cleaning & smoothing of wood and fibre glass. For precision working on and refining of flutes, grooves and furrows. Extremely sharp and very easy to handle. The material can be worked without physical effort no matter whether it is cut with or against the grain. High stability and easy to clean with a blow torch flame. Also for use on rubber, foam and silicone. Working speed range 5,000 ~ 20,000rpm, 3.2mm shank. Not for use on metal