Diamond File Crystal & Glass Diamond Saver Multi-Purpose Diamond Sharpener. Condition is "New". Shipped with USPS First Class. ✱ It’s compact enough to keep in a tool kit or kitchen drawer.✱ Diamond machining technology crystal saver for fast and easy edge repair.✱ Easily smoothes chipped edges of crystal, china, ceramic, glassware or any hard material.✱ Rounded on one side and flat on the other side. Rounded for repairing chips and flat for smoothing.✱ It is made of carbide steel with thousands of embedded diamond grains that safely buff away rough edges.QUICK FIX FOR CHIPPED GLASS: If you want to start fixing chips in glasses and other fragile items, this diamond repair file is a must-have. Whether you’re smoothing chips on the rim or filing a sharp broken edge to prevent cuts, this tool is a great way to make small repairs to fragile items. It’s an excellent sharp-edge remover.ADD TO YOUR REPAIR KIT: The Diamond Repair File is a perfect addition to your set of hand tools. Filing chips down is a quick and effective way to have your glasses fixed and ready to use in no time. With gentle filing, you can smooth rough or sharp surfaces to make glass or crystal safe to handle.MADE WITH DURABLE CARBIDE STEEL: This unique retractable file is an effective way to smooth sharp and broken edges on glassware. Unlike sanders and other smoothing tools, this device is specifically made for use on fragile items. It’s made with sturdy carbide steel with embedded diamond grains that won’t break or wear down. It’s compact enough to keep in a tool kit or kitchen drawer.PRECISION SCRAPER SMOOTHES EDGES: The round design of this file makes it perfect for repairing small chips and cracks. The rounded side is exceptional for fixing chips, and the flat side is ideal for smoothing. This tool allows you to perform damage control on fine cracks and chips, so they don’t lead to greater damage — like cracking a glass in half — later on.USE ON GLASS, CRYSTAL & CHINA: Use this file to repair crystal stemware, ceramic mugs, or porcelain tea sets. Safely smoothing glass and other breakable materials has never been easier. Make sure to wear protective eyewear and always apply water or lubricant while using diamond tools. Keep away from children.