Tool-less blade change New adjustment lever for easier tool-less adjustment of saw chain Longitudinal motor to provide increased manoeuvrability Improved oil pump to keep the delivery of chain oil constant, regardless of temperature and the oil viscosity Large separate type metal spike bumper. The spike grips the work piece firmly to provide more control Oil fill level Electric chain brake and kickback brake Automatic chain oiling for continuous cutting Electric current limiter for overload protection Large trigger switch, Weight: 12.12542441 pounds, Manufacturer: Makita