Upgrade your drilling toolkit with the 32-54 mm Hole Saw Cutter Set. This 5-piece kit includes a range of hole saw sizes and a mandrel for precise and efficient cutting through various materials. Ideal for professional and DIY projects alike, it ensures clean and accurate holes every time. The sharp tooth edge makes the cutting smooth, fast and easy. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws. The spring on the hole cutter can automatically push the disc out of the saw after cutting.