For use with reciprocating saws with 1/2 inch universal shank systems. The S 644 D Top for Wood Reciprocating Saw Blade delivers clean curved and plunge cuts in wood. Its sharp-ground teeth enable tear-free cuts. Additionally, the bladeÂ’s fully tapered body provides easy access to hard-to-reach areas and makes curved cutting possible. Featuring a pointed tip, the blade is specially designed for plunge cuts. It is made of HCS (high carbon steel), which makes it appropriate for cutting soft wood, construction wood and all non-abrasive woodworking materials in construction applications. It has a standard length of 150 mm, which enables a cutting capacity of up to 100 mm.