Circuit Board Holder, Overall Length 2 in, Number of Mounting Holes 1, Mounting Hole Diameter 5/8 in, Material Aluminum, Attachment Type Circuit Board Holder, Overall Width 14 in, Compatible with Manufacturer Model Number 300, Features V-Grooves, Compatible with All 300 Series Bases, Hold Circuit Boards up to 12 in Wide and up to 0.156 in Thick, Shaft is 4.125 in Long and 5/8 in Diameter, V' Notches Positioned at the Arms' Tips, 1 lb, Overall Depth 10 7/8 in. This item has been restricted from sale in the following state (s): []