Quilting Needles are very sharp, are shorter than a regular sewing needle, and are made specifically for hand quilting. The smaller the needle length, the smaller the stitch. They are sized by number - the larger the number the smaller the needle size. Gold Eye Applique Size 9 15pc- Good needles often have gold eyes, this keeps the needle from tarnishing as a result of the reaction of the metal to the acid in your skin.