The Center Mount Galvanized Straight Pipe Support is a simple, center of the drive pipe that helps supports the weight of the drive pipe. Hot dipped galvanized steel. Easy-to-reach grease fittings. Accepts bolts up to 1/2″ thick to mount to wood joists or wood beams. Pipe support accepts 2″ ID / 2 3/8″ OD Drive Pipe. Mounting bolts not included.