Spacing rules New tools necessary for beginners. Only for vegetable and hard skin use size: 4inch For DIY leather working Use it when you need to draw a line on the leather. Use the ruler to measure the required distance and lock it. After you draw a straight line on the leather, you can use the to punch the hole. It can also be used to draw the trim line of the leather edge., Weight: 0.17526749829 Pounds, Manufacturer: Tuesoa