Usage: This testing machine is used to test the bending resistance of tennis rackets. The sample is reciprocally bent by air pressure in both directions, and the distance of the fulcrum and the bending speed can be adjusted. After reaching the set number of times or the sample is broken, it will automatically stop. Technical Specification: Capacity: 30-100kgf adjustable Measuring speed: 60-120cpm adjustable (usually 75cpm) Pivot point spacing: 700mm adjustable Counter: LCD, 0-999,999 Volume (W×D×H): 115×65×140cm Weight (approximately): 210kg Power supply: 1∮AC220V, 50/60HZ (According to country or designation)