RECIPROCATING BLADES T2 TECHNOLOGY LENOX has extended our proprietary technology across the entire bi-metal reciprocating saw blade line All metal, wood and demolition cutting blades now have the revolutionary T2 blade design that delivers up to 100% longer blade life and 25% faster cutting versus the prior generation of LENOX reciprocating blades ENGINEERED FOR PERFORMANCE The patent pending design minimizes friction and heat build-up while cutting through the widest variety of materials BI-METAL RECIP BLADES (sawzall) LENOX invented bi-metal reciprocating saw blades and they provide industry-leading cutting performance for professional tradesmen. LENOX recip blades are available for a wide range of cutting applications. BI-METAL RECIP BLADES Long Lasting, Fast Cutting and Versatile THESE ARE BRAND NEW FACTORY DIRECT BLADES, I buy in bulk and sell in 5 packs at discounted prices, why pay for extra packaging.