8 face grinding units 3 upper- / 3 bottom grinding units 1. upper - and 1. bottom grinding unit with scanning system and depth stop with clamping system Water groove milling unit, manually adjustable Cutting unit Automatic spiral stair system Table extension console Central lubrication unit Water basin 2 roller ways each ca. 2,0 m Belt direction from right to left Space requirement (L x D x H) ca. 5500 x 1900 x 2100 mm, plus roller ways