Black Smooth Sliding Door Roller Guide Stainless Steel Wall Mount Adjustable Barn Door Floor Guide, Flush Bottom Design Material: High quality stainless steel, black powder coated, anti-rust and anti-corrosion, won't damage the door surface, suitable for any style of sliding barn door. Flat Bottom Design: Not need to slotted grooves on floor, will not destroy your floor. The bottom groove protects the floor from being scratched by screws. Easy to Install: Wall mount floor guide, mount to the wall with screws, and no groove required for door. The door guide can effectively prevent the sliding door swing and avoid your barn doors off. Easy to install: Wall mount floor guide, mount to the wall with screws, and no groove required for door. The door guide can effectively prevent the sliding door swing and avoid your barn doors off. Size: The length and width of the swing stopper is about 9.5*3.5*5cm, the length and width of the wrench is about 6*2cm, and the error is about 1cm. Weight: 212g. Package Includes: 1 x floor guide (completed assembled)