Dimensions : 1 x 1.6mm Metal type : 14K Gold Qty: 4pcs Hole size : .041" (1.04mm) Shape : Tube This burr-free pure 14K yellow gold tube crimp bead can be used with any wire stringing material that will accommodate the 1.04mm hole to create beautiful pieces of jewelry and or art. Burr-free and consistently-sized to save you time and provide a secure finish without knots.