Color: as pictured Quantity: 1 piece Product name: Wooden handle spacer wheel Specifications: total length 140mm, wooden handle length 97mm, maximum wooden handle diameter 30mm, spacer wheel diameter: 16 mm, wrench length 46 mm, 4 speeds with different spacing (3 mm, 3.5 mm, 4 mm, 5 mm). Weight: 75 grams Material: main body + handle Uses: DIY leather goods, leather art, cowhide leather sculpture, luggage accessories, used to determine the interval of the sewing hole position. Features: replaceable rollers, cutting aids How to use: use the spacing dial to set the interval 1. The base point that becomes the starting point must match the position of the spacing wheel blade 2. Hold the spacer wheel vertically and use it by pushing 3. If the spacer wheel is pushed forward, the wheel shaft at the tip will rotate, so that the equal width gap can be adjusted 4. If you use the spacing wheel you can set equal spacing like this 5. In this way, the interval has been set on the suture. If you use a diamond-shaped cone from the interval, you can drill one suture hole after another.