This is a 5mm round seamless bead with a 1.4mm hole. To give you a perspective on the size, you can put about 5 of these on a 1 inch string. These beads can be used in a variety of jewelry projects. One can use these as spacer beads in necklaces, bracelets. You can string a lot of these together and make a golden necklace. These can also be used with other size gold-filled beads and make a graduated size bead necklace with largest size bead in the center and add smaller beads on let side as well as right side of larger beads. 14K Gold-Filled is also known as 14/20 or 1/20 14K. 1/20 means that 5% of the total metal in the bead is 14K Gold which gives the bead a look and feel of 14K gold.