Little Wonder 9570-04-01 Optimax Walk-Behind BlowerNeed to move a ton of leaves in a short amount of time? Meet the 9570 04 01 from Little Wonder. This machine is a commercial rated walk behind leaf blower with enough power to make short work of any pile of leaves. Features: Briggs & Stratton 570cc Vanguard 4 Cycle Engine Durable, heavy gauge all steel housing for strength and durability Curved aerodynamic inlet draws air in smoothly for constant power and helps avoid clogging even if leaves are