Product Details
The Knaack Model 91 Storagemaster® piano box measures 72"W x 78"H and has a capacity of 57.5 cu ft. It features a built-in 12-gauge steel ramp for easy loading of large, bulky items and is designed to be caster-ready, including full-width shelves for organizing jack hammers, tools, and supplies. The box is equipped with a bi-fold cover that folds completely out of the way for unrestricted access. Key features include the accessory door shelf Model 491, a Watchman® IV lock system with recessed lock housing for theft protection, additional reinforcement between the lock and side housing, and heavy-duty hinges for enhanced security against pry-ins. The Power Pass® electrical pass-thru grommet offers easy, weatherproof power cord access. A powder-coat finish provides superior durability and corrosion resistance, while four-way skids facilitate access from any side for faster transportation. The closed height is 49 in, and the open height is 78 in. The unit features caster-ready 14-gauge steel skids to accommodate optional casters, recessed handles for positive gripping even with gloves, gas spring guards to prevent damage from shifting loads, and an improved ball stud bracket that enhances strength and durability. The Storagemaster® is suitable for various trades including mechanical, plumbing, HVAC, electrical, rough, and finish carpentry.
