T118G is Bosch's 3 Inch 36 TPI Jig Saw Blade. Its best for cutting sheet metal and thin metals. T-shank blades are suitable for jig saws.

T123X is Bosch's 4 Inch Progressor Jigsaw Blade. It's fastest jig saw blade in metal. It also cuts plastics up to 1-3/16-inch and wood up to 2-5/16 inches. The tilt-angle blade design means longer life and fast cutting. The Progressor tooth pitch runs small to large. Overall blade length is 4 inches.

T101BIF is Bosch's 3 Inch 14 TPI Bi-Metal T-Shank Laminate Flooring Jig Saw Blade. It's for laminate flooring and Taper Ground is for optimal speed and increased blade life. It's pointed teeth are for precise clean cuts in laminate flooring and boards (14 & 20 TPI) on both sides of the workplace. It's Bi-Metal blade for long life. And specifically designed to cut extremely abrasive laminate flooring.