General description The Faithfull 3 Piece Mini Holesaw Set includes holesaws of 20mm, 25mm, and 32mm sizes. Designed for efficient drilling, this set features HSS cutting teeth with 8% cobalt, allowing for continuous drilling without clogging, thanks to its internal spring mechanism. Technical specifications Sizes: 20mm, 25mm, 32mm Material: HSS with 8% Cobalt Teeth Maximum material thickness: 1.6mm Compatibility and accessories Compatible with impact drivers featuring a 1/4in shank Usage Ideal for drilling through sheet metals, including stainless steel, mild steel, and aluminium