We have Straight/Spiral two types for choose .
High-intensity for use .
It have 4 special dills to make an exact match with the fibre resin post.
CE/ISO 13485/FDA to guarantee the quality .
20pcs/box, assorted sizes packing ,single size packing
Diameter: 1.0mm/1.2mm/10.4mm/1.6mm/1.8mm, Length: 17mm/18mm
