Product Description

This kind sequin device adopt three precse concave bearing which slips on the smooth axes, the up and down bearing are fixed, the middle bearing fix on the eccentric nut, (the eccentric nut for tighten), if there's clearancewhen lift, then adjust the eccentric nut to tighten, make the device lift smooth.When embroider the down part of the device can not sway, also make it more stable.