Cross, 1 1/4 in For Pipe Size, Structural Pipe Fitting - 30LX37|30LX37 - Grainger
Amazon.com: Structural Pipe Fitting, 1-1/4" Adjustable Ell or Tee, 80A-7, Aluminum Magnesium, Please note. ID of fitting is 1.68, to take nominal 1-1/4" steel pipe which all have an OD of 1.66". :
Adj Tee, 1 in For Pipe Size, Structural Pipe Fitting - 4NXT1|4NXT1 - Grainger
Hollaender Structural Pipe Fitting, Tee, Aluminum, 1.25 in Pipe Size, 32510 lb Tensile Strength 5-7 | Zoro
Amazon.com: Structural Pipe Fitting, DIY Outdoor, Use Imagination -1-1/2"Tee-E Short, 3T-8, Aluminum Magnesium, Note: ID of fitting is 1.925, to take nominal 1-1/2" steel pipe which all have an OD of 1.9". :
SteelTek 1-1/4-in 90-Degree Structural Galvanized Swivel Elbow in the Structural Pipe & Fittings department at Lowes.com
10 Sets 1 Inch 90 Degree Structural Pipe Connector 3 Way Metal Joint Chain Link Fence Clamp, Stainless Steel 201 Corner Fitting End Rails Clamps, Thickness 1.8mm - Amazon.com
Amazon.com: Structural Pipe Fitting, DIY Outdoor - 1-1/2" Heavy Duty Base Flange, 38F-8, Aluminum Magnesium, Note: ID of fitting is 1.925, to take nominal 1-1/2" steel pipe which all have an OD
SteelTek 1-1/4-in 90-Degree Structural Galvanized Elbow in the Structural Pipe & Fittings department at Lowes.com