SPANSEE Chain Measurement Tool 20mm-55mm, Chain Measuring Tool for Polymer Clay Earring Making, Jewelry Chain Length Guide, with 25 Adhesive Dots

["PACKAGE CONTENTS: You will receive 1 piece jewelry chain measuring tool with 25 adhesive dots, does not include ear backs, posts.","CHAIN MEASURING TOOL: This tool enables you to precisely and consistently cut chains to a uniform length, capable of measuring chains ranging from 20mm to 55mm.","HOW TO USE: First, use the included adhesive to secure the posts into the holes. Thread the end of the chain over the middle post, pull the chain straight and then loop the other end over the post corresponding to your desired length. Finally, simply cut the chain to complete the process.","COMPATIBILITY: The round holes are designed to fit 6mm earring pin bases.","NICE MATERIALS: This tool is 3D printed out of pink PETG material, which is flexible and durable."]