Thread bottom NPS: 3″. Thread top NPT: 3″. Includes one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug. The zerk can also be used for draining. Patented selectable handle rotation. Handle has a square hole to accept a standard ratchet to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. Full flow. Tri-flange base and mount hole pattern provide easy retrofit when replacing the most popular brands. C84400 bronze construction. Stainless steel ball and stem. PTFE seats and seals. Serviceable while installed. Base has a bonding attachment. UL Listed 647B.