
M27 N37 Sunnen Portable Hone Stone for Gear, Bearing and Brake Disc. Wide Grit Range: Available grit sizes from 40# to 600# or 70-1200# for rough to finish polishing. High Performance Material: Made of premium Diamond and CBN with metal bond for long working life. OEM/ODM Support: Customized honing stones and tools available with logo printing support. Versatile Application: Suitable for cylinder, valve, bearing, pump, gear, and connecting rod polishing. Fast Delivery: 2-3 days for in-stock items; 15-30 days for large quantity orders. Low MOQ: Minimum Order Quantity is only 1 piece, allowing flexible purchasing. Professional Manufacturer: Over 20 years experience in honing tools and superabrasive grinding wheels. 1 Year Warranty: Comprehensive 1-year warranty coverage for product quality assurance.