Features: 6pcs Of One Set: 4pcs different spacing overstitch wheels (3/3.5/4/5mm), 1pcs screwdriver, 1pcs leather craft handle included. Quality Material: the head of tool, the wheels all made of hardness alloy steel, durable, strong enough to imprint leather. Simple Use: sturdy wood handle, easy and comfortable to grip; fast, effortless to replace the wheel, with installation tool. Even Spacing: work as a stitching groover or edge creaser, make nice even spacing without a punching, for sewing, very convenient. Wide Application: lightweight portable leathercraft tool, suitable for making leather belt, strap, wallet, handbag, etc.