Yellow Jacket “Classic” is designed for extra heavy duty applications. It is built to withstand constant, high speed, heavy traffic from trucks, buses and other vehicles. Yellow Jacket Classic’s distinctive yellow and black colors are the high contrast combination preferred by the industry. Yellow Jacket Classic is “The Original and The Best” and outperforms all others. With its unique design and 30% more polyurethane than other 5-channel dog bone based cable protectors, a Yellow Jacket Classic is truly extra heavy duty. Yellow Jacket’s proven durability makes it the best value on the market.