That's enough. In terms of the use standard of tension rope, 20 kg is suitable for primary stretching training, 50 kg is suitable for men with weak strength, and 80 kg is suitable for boys with strong strength. 150 kg is much larger than 80 kg, which is enough. The service life of tension rope is 1 year, and that of gym is 1 quarter. So as to discover the potential safety hazard of the tension rope in advance and prevent accidents.