The Kerbl 18911 Shearing Blade Set Constanta3+4 F is a high-quality replacement blade set designed for Kerbl Constanta3 and Constanta4 sheep shearing machines. Crafted from durable special tool steel, these blades offer exceptional cutting capacity and a long service life due to a specialized hardening process. The set includes a 4-tooth upper blade and a 13-tooth lower blade, providing a precise cutting height of approximately 3 mm. Ideal for efficient and clean sheep shearing.