Description Overview Maker: Zinser Model: RM-350 972 spindles each Years 1998 and 1999 Specifications Gauge: 82.5 mm Bobbin size: 250 to 260 mm Ring diameter: 51 mm with adaptors (original ring diameter was 55 and 56 mm) Features Co-We-Mat autodoffing Inverter control Overhead cleaner Amsler slub type: STG-4000 Quantity 5 units available