Standard T Connector | T Pipe Fitting | Maker Pipe
Manfrotto T-Clamp for Perpendicular Mounting MT004 B&H Photo
2.000" V-Band Clamp - Standard T-Bolt - (For 2.560" OD Flanges) - 304 – Ace Race Parts
10 Pack (5 Pairs) 1-3/8" x 1-3/8" Panel T Clamp, 2.9mm Thickness Carbon Steel End Rail T Pipe Clamp, 4" Length Chain Link Fence Clamp, Fit OD 1-3/8" (32mm-34mm) Pipe - Amazon.com
Dual Port Connector Metal Lean Tube Pipe T Shape Clamp Clip - Walmart.com