Discs of Silence 4 pack
Discs of Silence 4/pack
Max load-capacity approx. 45kg (99lbs)
Optimum operating range, 20-45kg (44-99lbs)
Additional spring set increase the maximum load-capacity to approx 90kg (198lbs) and then the optimum operating range is increased to 40-90kg (88-198lbs)