Knaack #89 STORAGEMASTER® Piano Box // 47.8 Cubic ft

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Product Overview

Knaack #89 STORAGEMASTER® Piano Box // 47.8 Cubic ft


The Model 89 STORAGEMASTER® Piano Box measures 60 in wide, 78 in tall and has a capacity of 47.8 cu ft. Ideal for mechanical trades, it is caster-ready and includes full-width shelves for organization of tools and supplies. It also features a bi-fold cover which folds completely out of the way for unrestricted access.



  • Pre-punched skids allow easy installation of casters. Casters available as optional accessories
  • Heavy-duty recessed side handles allow for enhanced mobility and protection against damage in transport
  • Power Pass® electrical pass-through grommet provides easy, weatherproof power cord access
  • Heavy-duty hinges are extra durable and resist pry-ins
  • Powder-coat finish for superior durability and corrosion resistance
  • Four-way skids allow access from any side, making it easier and faster to transport
  • Closed height 49 in
  • Open height 78 in
  • Recessed handles for positive gripping even with gloves on
  • Gas spring guards to prevent damage from shifting loads
  • Improved ball stud bracket provides added strength reduces the potential for breakage and improves durability
  • The workhorses on any jobsite, STORAGEMASTER® is ideal for every trade — mechanical, plumbing, HVAC, electrical, rough and finish carpentry


Powder Coat Finish Yes
Style Piano Boxes
Material Steel
Steel Gauge 16 body
Approx. Cu. Ft. Per Unit 47.8
Approx. Product Height 49in
Approx. Product Length 60in
Approx. Product Width 30in
Approx. Shipping Weight (lb) 340
Warranty 3 Years
Closed Height 49in
Color Tan
Electrical Access Power Pass® Electrical Pass-Thru
Lock System WATCHMAN® IV Lock System
Max. Open Extended Height 78in


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