4 Bolt Flange Mount 3/8" Bolt Slots 3/16" Thick Steel (Fits 1 1/2" Dia. Tubing)
Tube Flange Mount:
Material Type: Mild Steel
Fits 1 1/2" Diameter Tubing
Material Thickness: 3/16"
Bolt Hole Diameter: 3/8"
Outside Diameter: 3 1/2"
1 1/2" Diameter is oversize by .050 for fitment and welding.