ACRaBoss Hook on Sliding Library Ladder Hardware Rolling Full Set Track Kit, Telesupper Hook Roller, Floor Wheels with Brakes (No Ladder), Multi-Use for Loft Stairs/Bookshelf/13.1Ft/400Cm Track Kit

【Sturdy Durable】Hardware is Made of Metal Aluminum and with Black Powder Coating Finish for a Timeless Look, This Item Only Suitable for Ladder Thickness 2.5Cm/1". 【Flexibility of Use】Tensible Rollers Are Able to Stand up the Ladder When Not in Use, and the Hooks on the Ladder Can Be Taken off the Track and Moved into Position or Stored Elsewhere When Not in Use, Space Saving. 【Brake Bottom Wheels】When Climthe Ladder, Step on the Brake Pads to Play the Role of Brake Fixation. It Will Be Safer for People to Get on and off the Bus. Release the Brake Pads and the Ladder Can Move Laterally. 【Easy to Install】The Brackets Screw Together with Rails; the Length between Two Brackets is 19-11/16", and the Location of the Railrts is Also Adjustable. 【Perfect Sliding Ladder Track】(Only Hardware Kit for Sale, Ladder Not Included!) the Rolling Ladder Hardware is an Ideal Solution for Residential, Retail and Commercial Applications, Suitable for Bookshelves, Entertainment Units, Retail Showrooms, Millwork, Loft Spaces and Restaurants., Manufacturer: ACRaBoss