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Products > Jobsite-Storage-Equipment > Jobsite Storage > Piano > Model 91 STORAGEMASTER® Piano Box with Ramp, 57.5 cu ft > 91

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Model 91 STORAGEMASTER® Piano Box with Ramp, 57.5 cu ft


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


FeatureSize / Details
StylePiano Boxes
Approx. Product Height49 in
Approx. Product Width30 in
Approx. Product Length72 in
Approx. Shipping Weight Lbs.409
Approx. Cu. Ft. Per Unit57.5
Closed Height49 in
Max. Open Extended Height78 in
Lock SystemWATCHMAN® IV Lock System
Powder Coat FinishYes

Package Contents

Part NumberQtyDescription



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Model No.Approx. Product HeightApprox. Product LengthApprox. Shipping Weight Lbs.Approx. Cu. Ft. Per UnitClosed HeightMax. Open Extended HeightBuy Online
100054.5 in66 in4054854.5 in80 in
When cover is closed, chest can be used as a work table.
34.25 in60 in28235.337 in66 in
7949 in48 in28738.249 in78 in
79-D49 in48 in40036.249 in78 in
79-DH49 in48 in42038.249 in78 in
79-H49 in48 in30036.249 in78 in
8949 in60 in33747.849 in78 in
89-D49 in60 in51043.849 in78 in
89-DH49 in60 in53047.849 in78 in
89-H49 in60 in35043.849 in78 in
9049 in72 in38057.549 in78 in
9149 in72 in40957.549 in78 in