We are selling these at a low price because we purchased a large quantity. Brand new, unused item. Total length: Approximately 45cm Chain width: Approximately 1.1mm Weight: Approximately 0.82g Plate width: 3.1mm K18 Yellow Gold K18 stamp present This is genuine 18K gold, not plated. Purchased from a chain shop in Okachimachi. Made in Japan, produced in a domestic factory. The screw chain, as the name suggests, has a spiral design. It's like a spiral staircase. It's a delicate size suitable for women, but men can also wear it for a stylish, understated look. The opening of the round clasp, which is the most likely part to break, is also welded for peace of mind. We also have 40cm and 50cm lengths available. Other lengths are also available upon request. Accessories Rings k10 18K pt Diamond 18K gold ring 18K gold necklace 18K gold pendant 18K gold bracelet Material: Gold Color: Gold