Shop Lenox General Purpose Bi-Metal Reciprocating Saw Blades, 6" x 3/4" x .050", 10/14 TPI #20515B650R (25/Pkg.) at AFT Fasteners. Great Prices. Fast Shipping The Bi-metal Construction stands up to the most demanding applications. Optimized blade geometry that delivers up to 100% longer blade life and 25% faster cutting versus previous LENOX blades , Engineered For Performance The Patent Pending T2 Tooth Technology delivers up to 2x the life versus the previous model making jobs faster and easier. 44-7/8 Bandsaw Blades Lenox 20515B650R 6" X 10/14 TPI Bi-Metal Reciprocating Saw Blades 25 P Fire Rescue This reciprocating saw blade features bi-metal construction which allow blades to bend and resist breaking and extend blade life. The unique blade geometry positions the blade for optimum cutting performance 10/14 tooth per inch blades are best for use with thick metals, metal demolition, fire and rescue Made in the USA This versatile blade keeps you cutting without having to change blades to cut a different material. Lenox Reciprocating Saw Blade B650R 6in X 3/4in X .050in X 10/14 TPI 25pk 20515B650R - Acme Tools Made in the USA from global components.