Needle diameter is 0.46 mm (0.18 in), and fits cord sizes up to 0.28 mm (.011 in); Needle length is 8 cm (3.125 in). The Jewel Loom Needle is ideal for using with all loom and off-loom bead stitching. The Beadalon Jewel Loom by Julianna C Avelar, is innovative, portable, lightweight and easy to use. The sleek design with a work surface of 2.75 in wide and 10.5 in long is perfect for creating fashionable, on-trend jewelry pieces. The Jewel Loom fits perfectly in the palm of your hand allowing for ease of use for a comfortable grip and ultimate control while bead weaving. Enjoy endless hours of creativity while making unique bracelets, necklaces, pouches, pendants, ring tops, apparel, hair accessories, and much more! Instructions included with both loom sets.