Extreme durability is built into the Bosch Expert ‘Tough Wood' Reciprocating Saw Blade with Bosch Carbide Technology – the hardest metal is integrated into the tooth structure using advanced design and manufacturing techniques. Its large gullets are designed for fast cuts, spitting out waste material for efficient progress. Landscapers, carpenters and builders in particular will appreciate the Bosch Expert ‘Tough Wood' Reciprocating Saw Blade. It is so tough and long lasting that you can cut roots to remove trees and hedges without worrying about the soil and stones tangled up within them. Fits all S-shank reciprocating saws sometimes called sabre saws or demolition saws