Pinit MDSB0 - Unger 6" Replacement Blades SKU UNGMDSBO QTY AVAILABLE: 5 $19.49 Quantity -+ Add to Cart Details Ten double-edged .036" thick, steel blades packed in convenient plastic box.Size:6"/15cm. Unger Part No. MDSBO. This blade is for the MDSCO Scraper. Details Back DetailsTen double-edged .036" thick, steel blades packed in convenient plastic box.Size:6"/15cm. Unger Part No. MDSBO. This blade is for the MDSCO Scraper.