tensionless, use for open-width knitted fabric, with counter meter Features: ... fabrics. Has the fabric-feeding device in open-width type and rolling type with tension-controller. 2. ... roller can spreading the fabric. Technical data:*The nominal roller width(mm): 1800, 2000, 2200, 2400, 2600, 2800, ... 3000, etc*The working roller width(mm): 1650, 1850, 2050, 2250, 2420, 2650, 2820, ...