with magnet, for measurements of all kinds and every position, rods high-gloss chrome-plated, with fine adjustment, magnetic base lacquered, adhesive force 60 Kp, magnetic base (65x50x55 mm) with on / off rotary switch made of plastic, with prismatic sole and with a ground stop surface on the back, clamping with cross head, M8 thread, dial gauge mounting hole 4 mm and 8 mm