Plastic board with break slot in the center. This board is reusable since it can be reassembled after each test. Breaking board covered with PU foam on both sides to protect hands. Different colors depending on the level Available in 3 hardnesses: * Light (Yellow): Strength approx. 23 kg, dimension 31 x 23 cm * Medium (Blue): Force approx. 62 kg, dimension 31 x 23 cm * Hard (Black): Strength approx. 114 kg, dimension 31 x 25 cm