Features: Magnet Necklace with Lobster Clasp, perfect for extending your necklace chain, make us so easy to take jewelry on and off. Easy to use, Simply clip both end of the lobster clasps to your jewelry piece, Locking design and concave structure,once attached,magnet closure will connect and stay on firmly. suitable for thin necklaces or bracelets.High quality jewelry deduction, beautiful and decent. Material: Alloy, Treatment process: plating.long lasting, and comfortable to wear. Package Includes: 1 Piece Bracelet Clasp Specifications: Material: Alloy Style: 2-row/3-row/2-row and 3-row Color: Silver/ Gold 2-row: Approx.1.27x0.71cm/0.5x0.28inch 3-row:Approx.1.78x0.71cm/0.7x0.28inch note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.