Description Overview Allma Saurer ring twisting machines Year: 1974 420 spindles per machine Ring diameter of 50 mm Specifications Capable of working torsions from 68 twist/meter to 1100 twist/meter Speed range from 8,800 to 11,000 rpm Condition Very good working condition Rings were changed in 2007 and are in good condition Included Each machine delivered with its corresponding number of bobbins, pulleys and pinions