1" NPT #316 Stainless Steel In-Line Ball ValveFeatures:. 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with the valve in the open position) or for draining. Handle has square hole to accept standard ratchet (helps you to reach hard-to-reach valves and eases actuation of hard to operate valves). Thumb-release locking mechanism assures the valve remains in the position selected. 1000 WOG rated. #316 SS body. #304 SS handle and trim. Bonding attachment. PTFE seats and seals. UL listed for fuel or water. Full flow. Fits IBVF-S for Seacock Application