These 'tough wood' blades feature Bosch Carbide technology, with the hardest metal being integrated into the tooth structure using manufacturing techniques. Its large gullets ensure efficient cuts while also spitting out waste material. The blade is so durable and tough that you can cut roots to remove trees and hedges without worrying about other materials that are mixed in with them. Features and Benefits Lasts up to 50 times longer than a HCS blade Bosch Carbide technology ensures excellent durability Fits all S-shank reciprocating saws Typical Applications Ideal for cutting tough wood of any kind Tree or hedge roots Wet or pressure-treated lumber Thick planks