General description Sealey SRBR922HF Reciprocating Saw Blade for Wood & Plastics is a pack of 5 bi-metal blades designed for efficient cutting through various materials including wood, pipes, and pallets. The blades feature a colour-coded bayonet type fitting for easy identification and are suitable for use with most popular brands of saws. Technical specifications Length: 230mm Teeth per inch (tpi): 10 Material: Bi-Metal Usage Ideal for cutting plywood, chipboard, plasterboard, plastics, and window frames.