Run this tool along the edges of your leather to create grooves for your thread to sit in with this special stitching groover from Oka. This tool has a brass ferrule to secure the whole blade part and an ergonomic wood handle which offers better control and firm grip, keeping the tool from slipping from your hand when in use. The tempered blade can be adjusted from 2mm to 12mm spacing, depending on your needs, by loosening and tightening the chuck. This tool comes with jeweler's rouge to keep the blade sharp and always ready to use.This tool cuts a channel down the edges of your leather, creating a guide when punching stitch holes and having a place for your thread to sit in. Simply set the right width for your leather project and align the tool as seen on the images, apply enough pressure then pull the tool towards yourself.This listing includes:• Special Stitching Groover with Walnut Colored Handle• Jeweler's Rouge• Tempered Groover BladeThis listing is for Oka Adjustable Walnut Special Stitching Groover (with jeweler's rouge) only. Photos showing other materials are for illustrative purposes only.Please note, while the handle of this item has been fashioned to appear as walnut, the actual wood itself is maple.Keep out of the reach of children.