3 In 1 Corner Rounder Punch, R4 R7 R10 Corner Cutter for Paper Craft, Laminate, DIY Projects, Photo Cutter, Card Making and Scrapbooking Metal cutter, neat and smooth cutting, no burr and no scraping. The measurements are on top of the punch. It cuts 4mm, 7mm, and 10mm corner rounds. Mini corner trimmer, light and portable, convenient to take along. Suitable for business card, greeting card, photo paper, stamp, laminating pouch, etc. This compact corner rounder cutter 4mm 7mm 10mm corner radiuses, which are great for rounding corners on laminated documents, cartoons, photos, paper, gift card. How to use corner rounder punch Notice: Have to use it upside down and check if the paper is fit in properly and then punch it STEP 1 1. Insert the edge of the paper STEP 2 2. The sharp corner must be placed in the vertex nipple STEP 3 3. Press the handle to cut Package list: 1 x Corner Rounder Punch(Color shipped randomly)