ULTIMATE 1 3/8" METAL SOCKET MOUNTING BRACKET
Internal metal bracket securely mounts any speaker cabinet with a flat bottom on a (1-3/8")(35 mm) speaker stand tube.
Features:
- diameter of mounting flange is 4" (102 mm)
- depth 3.125" (79.5 mm)
- drill 2" (51 mm) hole, actual part dimension is 1.85" (47 mm) at socket OD
- all hardware included for installation
- metal fitting holds 150 lbs (68.2 kg)
- 3-year warranty