LENOX Tools Hacksaw Blade, 12-inch, 18 TPI, 2-Pack (20160T218HE) T2 Technology provides a long hacksaw blade life Shatter-resistant, bi-metal construction allows saw blades to bend and flex without breaking Saw blades cut through black pipe, Unistrut, copper pipe, hardened steel, threaded rod and rebar 18 TPI 12" L x 1/2" W