Sterling Saw blades Timber Master TK-B Bi metal saw blade 1-1/4″ wide 12′ long, .042″ thickness, (Heavy .031″ offset raker set) (Hook style) 1.2 Tooth/ Inch heavy set. Bi metal is much more durable than standard carbon steel blades. This type of blade will give very long life when cutting green materiel, and is ideal for sawing dry timber.