For convenient sanding of primed surfaces on walls or ceilings Selectable LED side light to help detect imperfections and serrations and ensure a perfect finish. Optimum balance when working, as the centre of gravity of the machine is not at the sanding head Variable length adjustment: can be shortened or extended without tools for narrow rooms or high ceiling rooms Extendable to a total length of 2.1 m with additional extension (accessory) M-Clean technology: Effective extraction through the machine housing for maximum flexibility of the sanding head Ideal adaptation of the flexible sanding head to the surface for good work results Optimum extraction results thanks to spring-mounted brush rim that adapts to the surface. Vario-Constamatic (VC)-Full wave electronics for working at customised speeds to suit the application materials, and speeds that remain almost constant even under load Ergonomically shaped aluminium handle bar and T-handle for comfortable use in different positions Simple, quick and tool-free exchangeable shaft can be adjusted directly on site if needed Putting the machine down without kinking the hose and cable With extensive range of grinding media for every application Extraction possibility by means of connecting an all-purpose vacuum cleaner The machine shown may differ in equipment and technical details depending on the configuration. Kindly pay attention to delivery scope and product description. Accessories included only if listed in the delivery scope. Characteristics Sanding disc diameter225 mm / 8 7/8 " No-load speed1000 - 1650 rpm Rated input power500 W Output power270 W Adjustable machine length1.1 / 1.6 / 2.1 m // 41 3/8 / 61 7/32 / 81 1/16 " Weight (without power cable)4.5 kg / 9.9 lbs Cable length4 m / 157 1/2 " Vibration Surface grinding2.5 m/s² Uncertainty of measurement K1.5 m/s² Noise emission Sound pressure level76 dB(A) Sound power level (LwA)87 dB(A) Uncertainty of measurement K3 dB(A)