Professional tool for making sewing slots and sewing tool for leather edging, carving and creasing. 2 set Manual instruments:1 set x alphabet & 1 set x Sharpener This leather groover is made of steel and has a wooden handle. This leather stitching groover is easy to adjust. Simply loosen the drill chuck, adjust it and push it back in. Anti-slip handles design, exquisite appearance, prong and strong hardness. Rotary bearing can be adjustable to change the length of the tool.