Heavy-Duty Series Clamp For Pipe 3/8 Inch I.D.The Weldable Heavy Duty Pipe Clamp from Buyers Products keeps pipes organized and in place in your truck's hydraulic system. It features thicker plastic and metal components for heavier duty applications. The clamp is easy to assemble and disassemble when needed. Keeps pipes organized and in place in your truck's hydraulic system. Truck and Trailer Hydraulic Systems Designed for heavier duty applications. Keeps pipes organized and in place. Easy to