Hand tool kit for dry sanding with abrasive discs and dust extraction suitable for any types of surfaces. Kit includes 3 adapters (1 flat, 1 concave and 1 convex) all with Multi Holes pattern. Suitable for all the paper discs and net discs, 1 air regulator valve, 1 hose adapter diam. 29 mm and 1 main handle in grey color. Specification: attaching the sanding paper in sheets or discs to the hand blocks is carried out by means of Velcro system. For dust extraction purposes in the hand blocks there is a special hole for connection with vacuum cleaner.