Material: Bamboo + Iron
Outer diameter ：0.99cm thick
Inner diameter ：10cm/13cm/15cm/18cm/21cm/24cm/27cm/30cm
Adjustment screw length：3.3cm
How to use:
1.Embroidery hoops have a adjustment screw that you can tighten when necessary to keep the fabric as tight as a drum
2.Not only for embroidery, needlecraft,cross-stitch, hand embroidery (ribbon lace, crewel), embroidery Christmas ornament and quilting you can also make the decorations on the walls
3.Loosen the outer screws, flatten the inner hoop, place the cloth on the hoop, and place the outer hoop on the inner hoop.
4.Flat the cloth and tighten the screw.
5.Continue to flat the cloth, to ensure that no pleats, and pay attention to the fabric so that the warp and the vertical and horizontal edge, and finally tighten the screws.
6.Inspect the hoop whether it is tight enough. The way to check the tightness is to use a needle with thread going through the fabric surface. It is workable if there is a loudly sound when pulling the thread