Product Info Catalog Tools Hand Saws, Chisels & Shears Hacksaw Blades, Bi-Metal, 18-TPI, 12-In. 10-Pk. Hacksaw Blades, Bi-Metal, 18-TPI, 12-In. 10-Pk. Request a Quote UPC: 82472201444 SKU: 199987 Model Number: 20144V218HE Lenox, 10 Pack, 12", 18 Tooth, Bi-Metal Hacksaw Blade, Shatter Resistant, Bi-Metal Construction Allows Blades To Bend & Flex Without Breaking, Longer Life, Tuff Tooth Design Eliminates Tooth Strippage.