4" heavy-duty casters and protective casterboard(s) (installed set)Product I.D.: 7CASINSTALL Wheel diameter: 4"Casterboard(s) thickness: 3/4"Wheel tread width: 1-1/4"Product Material: Steel with protective zinc plated finish -hard rubber wheel
4" heavy-duty casters and protective casterboard(s) (installed)---- 4 each 4" diameter heavy-duty swivel casters that bolt to 3/4" protective casterboard(s) fastened to bottom of case. Hard rubber tire attached to a ball-bearing swivel mechanism wheel by means of a ball-bearing encased solid steel axle.This option comes fully installed on either utility case or rackmount case you've ordered.Fork assembly, brake, and mounting plate â€“ non-corroding zinc plated steel - wheel is black.
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