... hi-performance bare spandex yarn, 15D,20D,30D,40D,70D,105D,140D,210D,280D,420D,560D,840D,1120D, 1680D, 2240D ... hi-performance bare spandex yarn,15D,20D,30D,40D,70D,105D,140D,210D,280D,420D,560D,840D,1120D,1680D,2240D, ... :(1)20D/30D: 0.4kgs(0.47kgs) 40D/70D/105D/140D/210D:0.5kgs(0.57kgs).(2)280D/420D/560D ... follows:20D/30D: 19.2kgs(25.2kgs) 40D/70D/105D/140D/210:24kgs(30kgs)(4)There are24 cones in one ...