The shaft consists of an octagon core made of splastic thermally improved steel, with high resistance to twisting and impact resistant and hardened on the work surface. The crusher is also equipped with a set of wiper seals that purifying the intershaft space.
The device comes in two variants: 2×7, 5kW for shredded bones (5-15mm shredding obtained) and 2x15kW for whole bones (30-40mm shredding obtained).