Operating at 8,000–10,000 CPM and 100–120 PSIG, it allows controlled work within 1/8" (3 mm) of fossils.
 
Features include a ¼" tungsten carbide stylus (chisel or pyramidal tips), an 8-foot flexible hose, and an optional handle for easier guidance.

Compatible with a 5 HP compressor, it requires regular lubrication—6 drops of air tool oil every 3–4 hours.