Nurge beech wood embroidery hoops are of superior quality and made from hard beech wood. They are fine sanded and hand polished for a smooth natural wood finish. The adjustment screw and threaded angle bracket fittings are made from pure brass and polished for a rich, striking gold color look. This improves the presentation of your work.Details:Available in multiple sizes8 mm thickBeech woodSize Information:5.11" (13 cm)6.29" (16 cm)7.48" (19 cm)8.66" (22 cm)9.84" (25 cm)