Features Tungsten Carbide Tipped (TCT) cutting edges (that can be resharpened) and are manufactured from premium hardened solid alloy steel with a power coated finish for maximum strength and durability. Sealed, high performance ball bearings provide smooth cutting of timbers. Suitable for cuts in Medium Density Fibreboard, Hard Wood & Soft Wood, MDF and Chipboard. A great set to keep handy for any Tradesman or DIY enthusiast with a range of bits selected for different shapes and patterns to suit all projects for Carpentry, Joinery and Cabinet Making.