The dewalt dw682k biscuit jointer uses a rack and pinion control that provides precise vertical adjustment and fence alignment with pre set cutting depths for 0 10 and 20 biscuit sizes and additional fine adjustment for ultimate accuracy the mitre fence remains attached in all applications for simple use and the spindle lock mechanism provides quick and easy blade changes with a single spanner there is also anti slide grippers eight guiding notches and a fence window to increase cutting accuracy