Description Overview Two machines available Type R20 Model 4625 160 rotors each Rotor diameter 56 mm Sold year: 1999/2001 Specifications Opening rollers type OB 20 Electronic end-break stop motion Yarn clearer Uster, model Quantum 2 piecers for each machine Automatic bobbin doffing Slub yarn device Amsler, type STG 4000, includes electronic programmer Condition Machines are like new