The Thinkpo 20Ft 4 Gauge Heavy Duty Jumper Cables are designed for maximum performance and durability in automotive applications. With a 4 gauge cable gauge and a length of 20ft, these cables provide ample power to jump start vehicles with ease. The Thinkpo brand is known for producing high-quality automotive accessories, and this jumper cable set is no exception. Included with the cables is a convenient carrying case, making it easy to transport and store when not in use. Perfect for any car enthusiast or mechanic needing a reliable booster/jumper cable option. this item appears to be new it has an open box.