9" x 1" x 0.050" CTR Carbide Tipped Reciprocating Saw Blades, 4" Length, 1" Width, 0.050 Thickness, 8TPI Thick Metal Application by M.K. Morse

Your best bet for cutting thick metals (between 3/16" and 1/2"), this high-performance blade cuts faster and lasts longer than traditional bi-metal blades. While the upfront investment is a little higher, the pay-off comes quickly! Carbide remains sharper longer for more efficient cutting. Carbide-tipped blades cut faster without binding. CTR is engineered to cut straighter with less vibration.