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Office Master IU58 24-7 Intensive Use High-Back Ergonomic Task Chair

  • $412.10
  • Ships within 7-10 business days

  • Customizations Total: $0.00

    Perfectly suited for users of large to tall statures. 300 lbs max.

    The IU58 24-7 Intensive Use High-Back Chair: well-priced and durable 24-7 drafting stool that provides a uniform look and a consistent set of functions. High-back and med-large size seat built for large and tall stature users. Features a broad range of ergonomic features to satisfy users in almost any 24/7 work environment, including seat depth adjustment, independent seat and back angle adjustment, and easy back height adjustment.

    The IU58 ensures that your hard-working employees will be able to enjoy the same level of comfort regardless of their body type or height. Simply put, this Intensive Use chair is designed to work long hours so that your maintenance people won’t have to. Designed to accommodate users up to 300 pounds.

    Optional equipment available includes a wide variety of Arms, Adjustable Lumbar, Cylinder, Casters, and Memory Foam Seat. See below for more detailed information.

    A wide variety of 5 fabric grades as well as leather available with 429 total color options. See link to Fabric and Color catalog below:


    Features & Benefits:

    • Pneumatic lift
    • Easy back height adjustment
    • Independent seat and back angle adjustment
    • Seat depth adjustment
    • Fabric panel back
    • Optional Adjustable Lumbar



    • Seat Height Range: 17" - 22"
    • Back Dimensions: 20" w x 24" h
    • Seat Dimensions: 21" w x 18" - 21" d
    • Overall Width: 27"
    • Overall Height: 43" - 52"
    • Weight Capacity: 300 l
    • 7 year Limited Warranty 

    Suggested Arm Options:

    View All Other Available Arm Options (PDF)



    • 5" Black Heavy Duty - Seat height range: 17" - 22" (standard)
    • 4" Black Heavy Duty - Seat height range: 16" - 20"
    • 6" Black Heavy Duty - Seat height range: 18" - 24"

      Memory Foam Seat Cushion (optional):

      • Deluxe: DCS-S - Double Comfort Seating (DCS) Technology -- A comfort-layer of viscoelastic (memory) foam molded over OM high-resilience support foam for sigh-producing, long-lasting comfort.

      Seat Slider (standard):

      • SLD - Seat depth adjuster, for that perfect fit of back and seat.

      Upholstered Back (standard):

      • Matching fabric applied onto outer back shell (add'l charge for grade 5 Comfortknit fabric)

        • Ballistic Nylon: scratch-resistant & extra-durable applied onto outer backshell (add'l charge)


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