Oregon 603352 Corded Chainsaw, Grey, Black Exclusive self-sharpening system PowerSharp High power motor, 15 amp for fast cutting with a 18" (45 cm) reduced-kickback guide Bar and chain Tool-less chain tensioning system Ergonomic design to remain light-weight and balanced, low vibration, Over-Mold comfortable handle Integrated chain brake for safety Low maintence chain saw backed by 2-year consumer and 1-year professional Warranty.