Knaack Model 89 Storagemaster 47.8 Cu. Ft. Piano Box INDP-89

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Model 89 Storagemaster 47.8 Cu. Ft. Piano Box INDP-89

The Model 89 STORAGEMASTER Piano Box provides a complete storage solution for tools, supplies, and other materials. Measuring 60in wide and 78in high when open (49in when closed), this job box offers 47.8 cu ft of storage for all trades. This workhorse features an improved ball stud bracket for added strength and greater durability.


  • Heavy-duty recessed side handles allow for enhanced mobility of jobsite box and protection against damage during transport.
  • Power Pass Electrical Pass-Thru grommet provides easy, weatherproof power cord access to piano box.
  • Heavy-duty hinges are extra durable and resist pry-ins.
  • Steel storage box features powder-coat finish for superior durability and corrosion resistance.
  • 4-way skids allow access to tool storage box from any side, making it easier and faster to transport.
  • Recessed handles for positive gripping even with gloves on.
  • Gas spring guards prevent shifting loads in piano box from damaging gas springs.
  • Improved ball stud bracket adds strength and reduces the potential for breakage.
  • Ideal for every trade — mechanical, plumbing, HVAC, electrical, rough and finish carpentry.
  • Gang box features patented WATCHMAN IV Lock System with 3-point latch and 7-gauge reinforced lock housing for best-in-class theft prevention.


    StylePiano Boxes
    BrandKNAACK US
    Steel Gauge16-ga body, 7-ga skids
    Approx. Cu. Ft. Per Unit47.8
    Approx. Product Height49"
    Approx. Product Width60"
    Approx. Product Depth30"
    Electrical AccessPower Pass Electrical Pass-Thru
    Lock SystemWATCHMAN IV Lock System
More Information
MPN 89
UPC/GTIN 783965002929
Shipping Weight 340.00