IV pole and attachment shown on the model 525 chair
IB - IV pole and attachment for fully upholstered Winco chairs. Must be factory installed. Fits Models: 690, 691, 694, 695, and 900.
IH - IV pole and attachment for Winco chairs with round tubing. Fits Models: 525, 526, 529, 535, 536, 585, 586, 653, and 654.
IM - IV pole and attachment for fully upholstered Winco chairs. Fits Model: 556, 656.
IV - IV pole and attachment for Winco chairs with square tubing. Fits Models: 527, 528 ,570, 571, 572, 573, 574, 575, 655, 657, and 681.