Diablo’s High Carbon Steel and High Speed Steel jig saw blades are designed for high-performance cutting in wood and metal applications. Each blade included within this set is optimized to deliver effortless, clean cuts in wood or metal. T-shank design fits all combo and most U-shank cordless and corded jig saws. High Diablo DJT5S- 5pc High Carbon Steel/High Speed Steel T-Shank Jig Saw Blade Set for Wood & Metal - 5 Pack