With additional handle, two stageless adjustable depth stops and two spiral springs for back stroke of the power drill. With adjustable plate for the drill bush for exact guidance of the drill bit. Precise drilling in exact 90° setting angle. Additional guidance of the drill bits by drill bushing plate. Easy back stroke of the power drill by spiral springs. 1402.000: mountable on all FAMAG drill rigs with square foot. For power drills collar diameter 43 mm. For drill bits Ø 8, 10, 12, 14, 16, 18, 20, 22, 24, 26 mm. Version with two solid guide rods. Tool holder and foot made of cast aluminium. Springs and guide posts made of stainless steel