31 cm. Heat treated teeth for strength & durability. Ergonomic plastic handle. Quality since 1924. Be smart wear goggles. Ace Promise Satisfaction Guaranteed: The Ace Promise. If this Ace product, when used for its intended purpose, fails to give you complete satisfaction, return the item to the Ace Hardware store where purchased for the replacement of the same or similar item. www.acehardware.com. Made in China.