Blade grinded with a square section then twisted in order to obtain cutting power and flexibility. Helix angle higher than on reamer.

If you are not sure which one is for you, start with the smallest size (pink) and work yourself up to a size that suits the space between the teeth.

This instrument is directly grinded. High cutting efficiency, use in filing action.

Warning: probe the canal without using rotary action. The instrument can break if it is used in a rotative movement.