The Von Arx DK 3 H is a pneumatic scabbler with three 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. 6.2 kg, 480 L/min air consumption, max 7 bar, 640 mm long, G 3/8 connection, vibration on the handle 14.6 m/s². Von Arx 700772.