Shim-Free & Adjustable Scoring Set Adjusting the scoring set is quick and easy. Simply turn the dial to adjust the width of the score. Adjustments can easily be made while scoring set is mounted on the machine! Eliminates the need for shims endless measuring reassembling testing and adjusting to obtain the required width. Fully Adjustable in increments of 0.1mm. Kerf adjusts from 2.8mm - 3.6mm Available in 120 & 125mm diameters with 20 or 22mm bores. Fits most machines including SCM & Altendorf.