This is a set of 4 Elecom dial-type security wires. They were used to prevent theft of PCs, monitors, etc. Of course, they can be used for other purposes besides PCs. - 3 wires, 2.2 mm in diameter / 1.7 m in length - 1 wire, thicker diameter / 1.7 m in length - 4 dial locks - 2 notebook PC lock金具 (brackets) - One is a new, unopened, unused item. - Please judge the thickness of the thicker diameter cable from images 5 and 6. - The dial locks are set to 000, but you can change the number to your liking. Dial-type security wire Dial type eliminates the risk of losing a dedicated key. Since there is no specific key, it is convenient for shared equipment used by multiple people. For PC security Elecom ELECOM Security Kit ESL-10 Lock wire Security wire Theft prevention