Kanazawa Carpet fitting cutter Repair Circle Cutter K-701 Japan | eBay
NT Cutter C-3000GP Silver Heavy Duty 3cm-26cm Adjustable Utility Compass Metal Circle Cutter, to Make Pipe Holes & Round Corners in Carpet | Goods Japan
Amazon.com: NT Cutter Heavy-Duty Circle Cutter, 1-3/16 Inches 6-5/16 Inches Diameter, 1 Cutter (C-2500P) : Office Products