Ideal for cutting cement blocks, stones, asphalt roadbeds, decoration, etc. Strong motor that delivers the power to cut through granite, porcelain, concrete and other stone materials with ease. Suitable for professional or daily home users.Specification:-Speed: 25000RPM-Type: manual holdFeatures:-A durable, economical tool that makes hand-sharpening easier. Rugged & reliableRuns on a standard 12volt autotype batteryFitted with 12V plug with battery adapter suppliedIncluded within the pack are four sizes of grinding stones 4mm 532 45mm 4.8mm (3/16") & 55mm 732 ie one of eachSpindle lock to ease grinding stone replacement 5 metre power cordPackage Included1 x Chainsaw Chain Sharpener