KLASS Kyokuto Sanchi Flat Box Putty Application Tool Recommended for new construction projects. Manufacturer's Suggested Retail Price: 5.5 inch: ¥82,000 10 inch: ¥83,500 Predator Matrix Handle: ¥82,000 Dedicated BOX: ¥10,000 Short Handle: ¥7,000 Total: ¥264,500 Spare blades available for 5.5 and 10 inch models. Instruction manuals and warranty included. Purchased through an authorized interior wholesaler in early September 2025. Used on two new single-family home construction sites, then cleaned and stored. While there are signs of use, such as minor scratches and traces of putty, it is in good condition. I have used flat boxes from other companies, but this product has excellent edge cutting, and the putty dispensing amount can be adjusted with a dial, making it highly recommended for those considering purchasing a flat box. This is a used item, so please understand and agree with the photos before purchasing. Returns and refunds are not accepted, so please be aware of this.