Sterling Silver 3mm Necklace For European Style Large Hole Beads - 18 Inch Screw End Lobster Clasp Color: Silver Materials: .925 Sterling Silver Measurements: Necklace Length: 18 Inches long including clasp and ring. Chain is 3mm thick. Clasp is 11x6mm. Clasp fastens to a 4.5mm thick loop with a 3mm hole. Quantity: 1 Piece Shape: Round