Inside Corner Elbow Connector 3/4″, Zinc, For 90Ëš Bends
https://hotfix.nsiindustries.com/product/inside-corner-elbow-connector-3-4-zinc-for-90%cb%9a-bends/
Bridgeport 3/4″ Inside Corner Elbows ensure high-quality connections between two sections of EMT conduit to form a 90° bend. The inside corner cover allows for installation in locations where the side or back of the elbow is inaccessible.