Lenox 20489B418R Metal Cutting Reciprocating Saw Blades - 4", 18 TPI, 25/Pk

POWER BLAST TECHNOLOGY™ INCREASES BLADE LIFE
High speed blasting along the cutting edge strengthens the blade to reduce breaks and increase durability

LONG BLADE LIFE & INCREASED VERSATILITY
Patented T2™ Technology reduces cutting forces on each tooth and optimizes chip removal to allow efficient cutting in the widest range of materials

ADVANCED METAL CUTTING TOOTHFORMS
Patented metal cutting TPIs provide faster and more efficient cutting in the widest widest variety of materials including Unistrut, angle iron, black pipe and more