Universal: Drilling at right angles, whether in round materials, on corners or simply in the 90 ° angle on surfaces: with the mobile drilling gauge of KWB no problem. High precision: Precise aluminum milled guide jacks ensure, supported by position lines, a precise bore in the diameters 4, 5, 6, 8, 10 and 12 mm. Skin-proof: Ruth-resistant points (grip points) made of thermoplastic rubber on the corners of the drilling template allow work without slip on surfaces, for holes on edges and round materials, the base material offers the necessary hold. Massive plastic: The 'drill block' was manufactured in the injection molding process with highest quality standards made of solid plastic. Ergonomic: The ergonomic and wavy design offers perfect support and grip into the application in conjunction with the ribbed surface. (KWB Art. No. 757900).