Application: 
This four-point bending fixture is specially designed for wood specimen testing. It is equipped with support and pressure points with a width of 100 mm and a height of 150 mm, and the upper and lower support and press rollers are designed with a radius of R15 mm to ensure stable and even force application. The upper grip has an adjustable test span of 250 mm, while the lower grip is available in lengths of 350 mm and 680 mm with an adjustable test span of 580 mm, making it suitable for bending performance tests of different wood samples and effectively meeting standard testing requirements.