BVV 1/4″ FNPT X Tri-Clamp End Caps
They allow the user to adapt and connect a threaded connection to the 1/4″ port on a Tri-Clamp/ Tri Clover lidSpecifications:Material:304 Stainless SteelConnection Type:Tri-Clamp1/4″ – 18 FNPTStandard:3ASizes Available:1.5″2″3″4″6″.