The PPT-266 Power Pruners features a 25.4 cc professional grade 2 stroke engine for plenty of cutting power. i-30 technology to reduce starting effort by 30%, a larger 2-stage commercial air filter for improved filtration and even longer engine life, an upgraded chrome plating process for improved longevity in harsh conditions, a side-access chain tension system for easier,safer chain tightening, a durable gear case cover for increased longevity, and adjustable, automatic oiler system to keep chain properly lubricated, an ergonomic handle with rubber over-mold for added comfort and improved handling, and a branch extractor or easy removal of troublesome branches.