- Tapered Barrel, Large Barrel Edition: Bigger head size, large file surface. Tapered shape working head.
- 4 size for choose: Coarse -C, Middle -M, and Fine -F, & Extra Fine – XF.
Coarse -C, for hard gels with speed 15,000 – 20,000; Middle -M and Fine -F, could file soft gels, with speed 10,000 – 15,000; Extra Fine -XF, could clean base gels, with speed 10,000 – 15,000
High Quality Tungsten Carbide Made. Give the drill long term working life.
- Shank: 3/32 inch ( 2.35 mm). Head Diameter 0.26 inch (6.6mm)