Manufactured from high quality HSS with 8% cobalt bi-metal which is ideal for drilling into thin metal. Teeth profiled with a progressive pitch for a smooth burr free finish. Hex shank for use with any standard sized drill chuck. Depth stop to prevent the user from drilling too deep. System designed for efficient waste removal. https://elecena.pl/product/29450455/sealey-twhs3-thin-wall-hole-saw-set-3pc 2025-10-24 https://elecena.pl/product/29450455/sealey-twhs3-thin-wall-hole-saw-set-3pc 2025-11-14