Replacement Casters for Grand Truck Dollies.
4015B - Replacement 5" Caster with Mounting and Brake included for all size piano trucks- $59.75 each
The plate is 4-3/8" x 3-3/4" with an oblong mounting hole.
The hole center is 3-1/2" x 2-7/8" (See diagram in addt'l product photos)
From top to bottom 6-1/4"
For express shipping of this item please call us at 1-800-791-7144