THE OWNER OF A HARD-EARNED REPUTATION A simply reliable cutting machine. A mid sized chain saw that's lightweight yet has the power of bigger models. With a lightweight and durable body, the saw has an excellent power-to-weight ratio and a dry weight of 5.0kg. Whether the work calls for seemingly endless storm cleanup or bucking loads of firewood, the 451s delivers power and performance for the long haul. Fitted standard with 18" (45cm) guide bar. TOP FEATURES 45 cc professional-grade, 2-stroke engine – For outstanding performance and durability Heavy-duty, easy-access, automotive-style air filter – Provides superior filtration with reduced maintenance time Three-point spring vibration-reduction system – Delivers operator comfort Momentary stop switch – Automatically returns to "ON" position Choke with automatic fast idle – Provides easy starting Automatic, adjustable clutch-driven oiler – Operates only when the chain is moving to reduce oil consumption Dual-post chain brake – Increases durability Purge bulb – Delivers fresh fuel to carburettor for easier starts Side-access chain tensioner – For easy chain adjustments Spring-assist starter – Reduces starting effort Low-vibration cutters – Make for smoother cuts