Same as Hammond 1590BB, but generic manufacture made in Taiwan. Measures 4.67" x 3.68" x 1.18" depth. Holes are punched for pots, footswitch and jacks. Hole diameters measure1 x ½", 2 x 3/8", 2 x 8mm.

22" x 8" x 2.5" pre-drilled chassis for custom amplifiers.