Wrist band with cord is made from stainless steel, the durable premium performance metal wristband creates a reliable electrical contact to the user's wrist. The flex-metal style band uses adjustable links to assure a secure and comfortable fit. - The retractable coil cord with cord terminated with a banana plug on one end and connects to the wristband via a 4 mm post snap and contains a 1 megohm resistor.