Wolf Band® Portable Band Saw Blade, 18 TPI, 0.020 in x 1 2 in W x 44 7 8 in L, 25 EA PK ORS NASCO Power Blast Technology™ is a Power Blast Technology™ is a high speed blasting along the cutting edge that strengthens the blade to reduce breaks and increase durability Patented T2™ Technology reduces cutting forces on each tooth and optimizes chip removal to allow efficient cutting in the widest range of materials Patented metal cutting TPIs provide faster and more efficient cutting in the widest widest variety of materials Three layer design for superior protection against harsh chemicals The thinnest chemical resistant disposable glove for enhanced tactility and dexterity Extra soft material and ergonomic design for outstanding fit High speed steel teeth provide a strong long lasting cutting edge Bi metal blades bend and resist breaking and extend blade life Professional performance and competitive pricing provide extraordinary cost per cut value Compact portable band saw blades available