Control Unit, Compatible Bolt Hole Diameter 7/8 in, Compatible Grainger Part Number Not Applicable, Compatible Mfr Part Number Not Applicable, End Type Straight Cut, Finish Not Applicable, Material Steel, Material Grade/Class Not Applicable, Overall Length Not Applicable, Restricted Motion Direction Expansion, Thread Direction Not Applicable, Thread Fit Not Applicable, Thread Size Not Applicable, Thread Type Not Applicable, Standards ANSI B 16.5, Compatible Joint Type Single Bulb. This item has been restricted from sale in the following state (s): []