Dozuki Saws with replaceable blades feature the precision and durability of tensioned high carbon steel blades which are easily removed from their bamboo-wrapped handles for replacement when worn. The Dozuki "ZET" Saw is one of the smoothest cutting saws you’ll ever use, ideal for tight fitting, precision joinery. It is specially designed for hardwoods such as Ebony, Walnut and Oak. The teeth are impulse hardened for superb cutting performance. Ideal for cutting dovetails, tenons and other joinery. Cuts equally well as a rip or crosscut saw. The 21 TPI x .012" thick blade of this saw can be quickly changed by a simple tap on the back. Rigid back insures accurate cuts. The 240mm blade version is 535mm (21") long and the 150mm version is 374mm (14-3/4”) long. Buy either and they come with an additional blade.