Makita demonstrated performance by offering this grinder diameter 230mm 2200W Makita GA9020KDX2. Indeed its engine with a power of 2200W will let you work the hardest materials such as concrete. In this context the grinder GA9020KDX2 Diamak comes with a diamond disk. Performance: Dimensions (LxWxH): 473 x 249 x 140 mm Rated power: 2200 W Max Free Speed 6600 r / min Disc Diameter: 230 mm Bore diameter: 22.23mm Shaft thread: M14 sound power (lwa): 100 dB (a) power cord Length: 2.5 m Weight: 5.8 kg Conditionement: Comes in a plastic box with 1 housing cutting 230mm 1 230mm casing trimming 1 pin wrench 1 diamond disc 230 mm univ. Diamak 1 side handle Warranty: 12 months from the invoice date on machines, not warranty on accessories (Consumable discs, abrasives ...), wear parts (coal ...) and if the batteries MAKITA your product is defective due to a manufacturing defect or operation within 12 months of purchase, DIY space guarantees the free replacement of any defective parts or the entire unit, provided that : the product has been used correctly, the product is subject to normal wear, proof of purchase and is provided, the warranty excludes damage due to improper use, faulty maintenance, wear and tear, overload or use of accessories not provided any guarantee request thank you to kindly go directly to the after sales and follow instructions given here Service tab.