The GEZU 450, manufactured by Zum Wald®, is a tensile testing machine for wooden boards with a cross-section in a maximum of 50 x 260 mm along with a tensile strength of 450 kN. It is designed for determining mechanical properties that incorporates its durability and stability of the wood lamellas and finger joints. In addition, it has a 2 longitudinal beams for a maximum free clamping length of 1000mm that is adjustable from 200mm to 1000mm in 100mm increments.