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Knaack Piano Box 91

Knaack Piano Box 91

SKU Product Name Price Qty
91 Knaack Piano Box 91

Product Description



The Model 91 STORAGEMASTER Piano Box measures 72 in wide, 78 in tall and has a capacity of 57.5 cu ft. It features a built-in 12-gauge steel ramp to make loading large, bulky items easy. Ideal for every trade, it is caster-ready and includes full-width shelves for organization of jack hammers, tools and supplies. It also features a bi-fold cover which folds completely out of the way for unrestricted access.


  • Uses Accessory Door Shelf Model 491
  • WATCHMAN® IV Lock System with recessed lock housing for protection against theft
  • Additional reinforcement between the lock and the side housing
  • Bigger, better hinges offer stronger protection against pry-ins
  • Power Pass® Electrical Pass-Thru 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
  • Caster-ready 14-gauge steel skids to accommodate optional casters
  • 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


Feature Size / Details
Style Piano Boxes
Color Tan
Height 49 in
Width 30 in
Length 72 in
Approx. Shipping Wt. Lbs. 409
Approx. Cu. Ft. Per Unit 57.5
Material Steel
Closed Height 49 in
Lock System WATCHMAN® IV Lock System
Open Height 78 in
Powder Coat Finish Yes

Additional Information

Additional Information

Short Description No
Specifications Tab N/A


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