Hollaender - 3/4″ Pipe, 90° Three Socket Tee, Aluminum Alloy Tee Pipe Rail Fitting - 04206611 - MSC Industrial Supply
Lot 2 Each, 48" Aluminum T Track 3/4" by 3/8" Slot, Accepts 1/4" Hex Bolts, 1/4" or 5/16" T Bolts, Countersunk Holes Every 6" 112132: Amazon.com: Tools & Home Improvement
Aluminum Tee Bar - 3″ x 3″ x 3/16″ | Eagle Mouldings
103 Aluminum Adjustable Tee 3/4 inch – Diamond Aluminum
TSLOTS TS30-75 3" x 3/4" .32" Aluminum Extrusion
Amazon.com: AC PERFORMANCE Aluminum 3 Ways 1/2" NPT Female Thread Tee Converter Tube Hose Fitting Adapters, Black