Star base is 5 spoke high strength polymer, with 5 dual 2" hooded casters. 14 gauge seat support frame is welded to 12 gauge seat support plate with insert for gas lift
Seats are heavy duty and static free, high density polypropylene material with a light grain surface, injection molded into a one piece shell unit with 17 heavy duty reinforcing structural ribs. The ergonomically designed opening in the shell back provides added comfort as well as a handle grip. The shell is attached to the seat support frame with steel rivets nderneath the seat, which offers no exposed hardware on the surface.
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