Grid Clamp with 4" x 4-1/2" Flat Plate
021-3850-BN
Usually ships or ready for pick-up within 7 to 10 business days.
Steel clamp welded to a 4" x 4-1/2" flat cold roll plate. Works with 1-1/4" or
1-1/2" Schedule 40 aluminum Speed-Rail®.