Aluminium Door Track: Our door track is made of aluminium alloy and stainless steel pulleys,it is strong enough with 2 mm thick wall thickness and 75 kg/ 165 lbs load bearing capacity,which ensures the overall stability and reliability of the door track Silent Pulley: Stainless steel 8 wheeled pulleys with track can hold up to 300kg/661lbs,high-strength wheels,rotate freely and are not easy to jam,smooth and quiet,allowing you to push and pull the process more smoothly and with less effort Ceiling/ Side Mount: We kit comes with all the hardware required (including top and ceiling mounting brackets) to meet any of your installation sites,easy to install uncomplicated construction,suitable for 1.8 cm (7/ 10 in) - 5 cm (2 in) thick doors Exterior/ Interior Door Hardware Kits: Our door tracks can be used in a variety of scenarios such as bedrooms,studies,storage rooms,balconies,gyms,offices,pocket doors,kitchens,cloakrooms,warehouses,gates and passageways Slide Door Tracks Set: Inside elasticated stop buffer prevents collision when you close the door,multi-faceted design for you to have the best experience,the length of more than 1.7 m/ 5.6 ft need to be sectioned