System trigger with screws:1pcs. Hardware suitable for door thickness:35-40mm. Two rollers can bear MAX weight:90kgs.Track's length should be twice of the door panel's width. The gap between door(thk:40mm)and wall is about 16mm, the height from top of the door to the top of the roller is 130mm. The item "Soft close sliding barn door hardware rustic sliding black barn door track kit" is in sale since Friday, January 15, 2016. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware". The seller is "sliding-barn-door" and is located in Wenzhou, . This item can be shipped worldwide.