4 Ft. mini size track kit is made of high quality carbon steel, sturdy & durable enough to withstand up to 88Lbs loads. It recommends to use for for cabinet, TV stand, entertainment console, bedroom, living room, kitchen, etc High Quality: POM rollers feature good impact strength to keep a smooth and quiet movement in track Fits single door panel width up to 1 ft, covers up interior cabinet space & slides door effortlessly Sliding across the cabinet door opening to the side rather than opening it outward for space saving Comes with all the necessary accessories for quick assembling, pre-drilled holes on the rail to save time Product Details: Rail Size after Conjunction(LxWxH): 47 15/16" x 1 3/16" x 3/16" (121.7 x 3 x 0.42 cm) Roller Size(LxW): 6 5/8" x 1 1/2" (16.8 x 3.8 cm) Wheel Diameter: 1 1/2" (3.8 cm) Fit Door Thickness: 13/16" to 1" (2 to 2.5 cm) Fit Door Width: Maximum 1 ft (30 cm) for one door Weight Capacity: 88 Lbs (40 kg) Material: Carbon Steel, POM Net Weight: 1.98 Lbs (0.9 kg) Also In The Box: 1x Rail (Consisted of 2 Splicing Tracks) 2x Sliding Rollers 2x Door Stoppers 4x Track Space Hangers 2x Floor Guides 2x Anti-Jumpers 1 Set of Screws & Accessories 1x Allen Key 1x Manual Notice: Hardware ONLY, no door panel! Please carefully read the dimensions of the accessories before buying to decide whether they meet your needs.