Stanley 7-20-556 Fatmax Jab Saw and Scabbard. Features and Benefits :. – 7 teeth per inch. – Ideal for punching through plasterboard. – Anti-slip ergonomic biomaterial handle for optimum user comfort. – Triple bevelled toothing for 50 quicker easier cutting. – Sharp point for piercing board. Specification :. – Length : 355mm. – Nr of teeth / inch : 7. – Blade Length: 180mm. Material: Other Material.