Description Overview 10 shafts 10 Grob Heald frames Speed: 400 rpm 112 frames total (1 for B330, 50 for B360, 52 for B390) B330/360/390 with diameter 940 mm 1.5 half beam 1.5 cloth rollers 24 weft feeders TMT 10 cam motions 11 tucking devices 8,000 heddles and droppers