Hitachi 728804 3/4-Inch Hex 21/32-Inch Round 6-Inch x 25-Inch Floor Scraper Features an optimized cutting edge for best removal rate Made of high quality carbon hardened steel High tolerance milled shank provides a perfect fit CNC controlled manufacturing ensures 100-percent quality consistency Comes with a 30-day limited warranty High Quality Carbon Hardened Steel High Tolerance milled shank provides perfect fit CNC Controlled manufacturing ensures 100% quality consistency