These chain saw models are designed mainly for pruning and wood processing. They feature a slender handle, which has been optimally designed to allow the operator to press the back end of the blade against the wood and use this point as a fulcrum. The models have a number of advantages over engine chain saws. They are more energy-efficient, produce less noise and do not generate any exhaust gas or gasoline fumes. In addition, these chain saws are easy to maintain and feature better cost performance.