Ernie Ball Pop-in castors are the ideal solution to a heavy amp situation!
Set of 4, standard plate mount. 2" diameter x 7/8" Ruberex wheel, double ball bearing, split level, nickel plated steel construction offers superior swiveling and weight dispersion.
Each caster comes complete with four 14-1 round head phillips wood mounting screws.
Maximum recommended weight is 70 lbs per caster.