Our eyelet guiding tool allows you to install eyelets evenly spaced from the edges easy and fast, it has 4 different options at 10, 15, 20 and 25 mm from the edges, Just square the tool on the corner and mark the desire location. MATERIAL All of our tools are 3D printed with food safe PLA (Polylactic acid) made from corn starch. CARE Do not wash in the dishwasher. Do not soak the tools. Use cool or warm water. Tools will melt if exposed to heat. NOTE: Be careful with your PLA tools because they can get damaged if not stored properly. SIZE The tool has 4 options to do the marking at 10, 15, 20 and 25 mm from the edges. COLOR Color of the tools may vary from the picture. DESIGN Every design is sketched and then illustrated by the Crafty Shop by Sache team. Don�t forget to follow our shop on Instagram to stay updated with new products : @craftyshopbysache