Roots Multiclean Ltd. Is the manufacturer of Single Lever Lawn Mowers. Roots Multiclean Ltd. Is an ISO 9001: 2000, ISO 14001:2004 and OHSAS 18001:1999 certified company. The Single Lever Lawn Mowers are used in manicuring medium size lawns. The Single Lever Lawn Mowers provide a fine finish to shorter grassed areas. A single lever easily sets one of the seven heights of cut, ranging from 13mm to 70mm. Four swinging blades skillfully deal with rough grass.