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Office Master AF413 Affirm Spider Base High-Back Stool

  • $312.65
  • Ships within 2-4 weeks

  • Customizations Total: $0.00

    Perfectly suited for users of average to medium statures. 250 lbs max.

    The Office Master Affirm AF413 High-Back Stool with Fixed Footring features extraordinary functionality and comfort in a value-priced drafting stool. Infinitely locking back tilt provides the basis for proper ergonomics, while seat depth adjustment and EZ back height adjustment offer the ability to fine tune your most comfortable and healthy fit.

    AF413 Affirm is available in 2 seat sizes, both designed with extra waterfall curve & sit-as-you-like comfort. Flexible options ideal for Task, Executive and Conference environments.

    Optional equipment available includes a wide variety of Arms, Casters, Cylinders, Memory Foam Seat Sub-layer, Seat Size, and Upholstered Back (plastic shell standard). 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 pdf below:

    Fabrics / Colors:

    View Fabric & Color Swatches (PDF)

    Features & Benefits:

    • Pneumatic lift
    • Sliding seat
    • Infinitely locking back tilt
    • Easy back height adjustment
    • Dual-tone oversize casters


    • Seat Height Range: 25" - 33" (standard 8" cylinder)
    • Back Dimensions: 18.5" w x 21" h
    • Standard Seat Dimensions: 19" w x 17.5" - 20.6" d
    • Large Seat Dimensions: 20.75" w x 17.5" - 20.6" d 
    • Overall Width: 27"
    • Overall Height: 47.25"-58.25"
    • 12 year Limited Warranty 
    Suggested Arm Options:

    View All Other Available Arm Options (PDF)



    • 8" Chrome (standard) - Seat height range: 25" - 33"
    • 5" Chrome (optional) - Seat height range: 22" - 27"

    Memory Foam Seat Sub-layer (optional):

    • Concealed memory foam upholstery layer added underneath regular HR foam cushion for additional comfort, even while preserving contemporary styling contours for higher-design models.

    Seat Slider (standard):

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

    Upholstered Back (optional):

    • Matching fabric applied onto outer back shell of small chairs (Fabric Grades 1-4).

    • Matching fabric applied onto outer back shell of small chairs (Fabric Grade 5).

    • Scratch-resistant & extra-durable Ballistic Nylon applied onto outer backshell.

    View Fabric & Color Swatches (PDF)

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