The Bottom Is Slightly Convex The Diameter Of The Roller Is 250mm.600.800.400 The Spin Pack Is An Essential The Spinneret Is Types Of Die Wet Spinneret Is The Origin Of What Is The Best Quilting Machine The Precision Holes Machining Is High Length Of The Brown Silk Is 350mm Length Of The Spring Is 160mm For Weaving Machine The Rectangular Hole For Textile Machine Zip Bottom Stop Zipper Bottom Stop