OUNONA 3pcs Adjustable Sliding Barn Door Floor Guide Bottom Wall Mount Steel Stay Roller

: In the bottom of the floor guide, there is a groove which can protect the floor from scratching by the screw.- Steel Floor Guide Made out of material.Durable and reliable.Features a bright style.-Barn Door Floor Guide 8 in 1: Offer 8 different assemble options, this floor guide can be used in all sizes of door panel.- Floor Guide Smooth polished chamfered edges, bracket and screws sit flat on floor, door and floor needn't grooved, working quietly.- Bottom Floor Guide Unique bearing design ensure it work smooth and stable.-Barn Door Stay Roller 3 x Floor Guide- 8 In 1 Floor Guide