Model Number: HK--256 Key Specifications/Special Features: Material:100% cottonPattern:rawUses:sewing andembroideryYarn type:spunColor:raw whiteFeatures:low shrinkage andchemical-resistantYarn count:50S/2, 60S/2, 80S/3

Weight (g/ball):about 4 gram

Model number:6, 7, 9 and10#

Model number: 10, 9, 7, 6# steel shutter, carbon shutter

Specifications:

• Apply to Swiss, saucer, laser, flat bar machine
• Non-polluted, few joints, even twists, high intension and vivid color