Corrosion resistant stainless steel and aluminum components result in a longer life. Made with a 3/16" galvanized cable. The dual braking mechanism is made of stainless steel with a Teflon coating, and operates quickly arresting a fall within two feet. Dual-swivel design allows for greater mobility while keeping the life-line in good working condition. Build in ergonomic handle for easy carrying. Please note: Recertification is required every two years.