Building Supplies

Hook on Sliding Library Ladder Hardware Rolling Full Set Track Kit, Telescopic Upper Hook Roller, Floor Wheels with Brakes (No Ladder), Multi-use for Loft Stairs/Bookshelf(13.1ft/400cm track 【STURDY DURABLE】Hardware is Made of high quality 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... Hook on Sliding Library Ladder Hardware Rolling Full Set Track Kit, Telescopic Upper Hook Roller, Floor Wheels with Brakes (No Ladder), Multi-use for Loft Stairs/Bookshelf(13.1ft/400cm track