Precision magnetic socket holder setFUNCTIONS COLOR ORGANIZATION: The set includes four different colorsblack and blue for metric sockets, and red and green for imperial sockets. You'll easily find the socket you need, increasing your efficiency and productivity on the job. STRONG MAGNETIC BASE: Each socket holder features a sturdy magnetic base that adheres securely to any metal surface, including toolboxes and workbenches. DURABLE CONSTRUCTION: Made of high quality materials, they are