BioniQ drill stops are designed for easier, more comfortable and safer drilling. With the use of drill stops, you can reach the desired depth with confidence and without constantly following the lines on the drill. The surgical phase of the treatment will thus be even faster and more comfortable for your patients. Single diameter of drill stops is for S2.9, S3.5, S4.0 and T4.0 final drills and larger diameter of drill stops is for S5.0 and T5.0 final drills.