1 hp Straight-Line Die Grinder, Central Vacuum 12,000 RPM, Gearless, Rear Exhaust, 1/4 Inch & 6mm Collets 1.0 hp (744 W) Straight-Line Vacuum Die Grinder for connection to central vacuum systemsAchieve rapid material removal with source captureGearless for less maintenance. 1.0 hp (744 W) Vacuum Die Grinders are utilized for rapid material removal, precise finishing, polishing, deburring, and emoval of parting lines and flashFor use with carbide burrs, rotary files, mounted points, roll cartridges, wheels and discs. Model includes urethane Vacuum Shroud for efficient capture of dust, debris, and contaminants such as Hexavalent ChromiumFor use on non-ferrous materials, such as fiberglass, carbon fiber and composites. Also includes Vacuum Sleeve, which can be easily trimmed to accommodate the length of the accessorySleeve can be trimmed horizontally or vertically, and is also removableAll models includes Conductive Hose & Cuffs, to shield operator from electrostatic discharge (ESD)1-1/4 Inch DiaVacuum Hose Port. Each model also includes 6 mm Collet Insert. Part # 56743 Sold in qty's of 1 Collet 1/4 Inch Height 36 Inch HP 1 Country of origin United States Product type Die Grinders RPM 12000