The Von Arx DK 2 H is a pneumatic scabbler with two tungsten-crowned pistons, for removing laitance, encrustation, scale, colour and rust from concrete, stone and granite, and for roughening a surface. It can be used on vertical surfaces and in restricted areas. 4.5 kg, 320 L/min air consumption, max 7 bar, 620 mm long, G 3/8 connection, vibration on the handle 15.2 m/s². Von Arx 700770.