Crescent Nicholson Bi-Metaloy NF1218 Replacement Hacksaw Blade, Teeth Type: Wavy, Teeth per Inch: 18 TPI, Cutting Edge Material: Molybdenum Alloy, HCS, Painted, 12 in L, 1/2 in W, 0.025 in Thick, Applicable Materials: Ferrous and Non-Ferrous Materials