COSMOS 2 PCS 12 Inch Black Color Stainless Steel Tether Lanyard Wire Coated in Soft Plastic for Gopro Hero4 and All Previous Gopro Editions Safety lanyard/tether for all GoPro HERO Camera models and any other camera systems or electronic devices you need to secure Flexible, strong, durable, water & salt resistant Attach to anything you can think of for added security, bikes, helmets, snowboards, boats, jetskis, etc. Package includes 2 pcs 12 inch stainless steel tether