Key Features : Solid Stainless Steel Hardware For both indoor and outdoor uses Suitable for both solid and hollow core doors Comes with all necessary fittings Package Included : Tracks at length ordered ( Jointed ) Barn Door Hangers and Wheels Stoppers Lag Bolts and Spacers Floor guide to support the bottom of the door Anti-jump disks for keeping roller on rail Specification : Colour Stainless Steel Silver Material Stainless Steel Door Weight Capacity Up to 100 kg Sliding Track Length 1.6m - 6m Recommended Wood Door Thickness 35mm - 45mm approx 1. What are the dimensions of the rollers? The below picture shows the dimensions of the rollers. When installing the track, the clearance space above the door top is 150mm. 2. The sturdy solid steel increases the weight capacity, the stainless steel material resists against rust in lo ng time use. Track Length( M ) 1.6-2 2.4-3 3.2-4 4.2-5 5.4-6 NO. of Tracks 2 3 4 5 6 3. Are the door stoppers adjustable easily? For the single door, you get 2 stoppers; and for double doors, you get 4 stoppers in the box. The stoppers can be placed anywhere on the track and they are allen screw adjustable. The two anti-vibration rubbers have been added to each stopper to minimize the collision between the roller and stopper. 4. Is the floor guide included in the kit and how does it work? <