Mass: 5kg Menkiri knife: Blade length 265 Material: Paulownia. How to adjust the noodle cutting width Adjust by the gap in the stopper and the direction of the adjustment claw. Align the notch on the main body with the position of the adjustment claw. This is a rough guideline, so please adjust according to your preference. For soba Stopper clearance Cutting width 1mm 2mm 2mm 3mm 3mm 4mm For Udon Stopper clearance Cutting width 6mm 5mm 7mm 6mm 8mm 7mm 9mm 8mm