Product Description MagHold™ Extendable magnetic Arm Position and hold steel stock in welding and fabrication. Telescoping mounting bar adjusts from 6.4″ to 9.3″ in length. Loosen the center joint in the mounting bar to “fold up” the MagHold™ for different workholding configurations. Adjustable magnetic V-Pads at each end hold stock of different shapes: round, flat, angled.