Sterling Silver 2mm Necklace For Troll 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 2mm thick. Clasp is 9x5mm. Clasp fastens to a 3mm thick loop with a 2mm hole. Quantity: 1 Piece Shape: Round