Description Overview Maker: Ratti Model: R 522 DT Year: 1984 160 spindles Pot size: 6" Technical Specifications 160 positions for double twist Diameter of coiler: 135 mm Diameter spindle: 52 mm Length of spindle: 420 mm Spindle for double twist of cop and for bobbin diameter of 175 mm Torsion: 39 to 1140 tpm Rpm max: 10,000 x 2 Count of yarn: 70 to 330 dtex Quantity Quantity: 25