The work table of this FERM scroll saw is adjustable to an angle of 0 to 45°. The scroll saw is supplied with 3 different saw blades (2 pieces of each), which are easy to change due to the quick blade tensioning system
The pressure waves reflected in a brunch of the muffler pushes the outgoing fresh mixture flow back to the cylinder. That increases charge efficiency and power, and reduces fuel consumption. And emission levels are significantly reduced by preventing fresh mixture from being exhausted.