Complete series composed of 5 Stonfo Tapered Tube needles accurately machined. They guarantee a steady locking of tubes with Ø int. from 0,6 mm to 4,0 mm to tie several types and sizes of tube-fly. Compatible with Stonfo vises TubeFly item 610 and Transformer item 654 but could also be used with other vices with good grip in their jaws.