Wide Application:The adjustable floor track is suitable for sliding barn doors, wooden doors, sliding doors, cabinet doors, office doors, etc. Good Material：The sliding door floor guide is made of POM plastic material which has the characteristics of anti-corrosion, not easy to rust, good impact resistance and durability. Easy to Install:The floor guide sliding door can be fixed on door without grooves or door with grooves, no need to groove the door. Simple Design：The door floor guide adopts modern design style classic black, lightweight and practical, suitable for most decoration styles. Product Package：You will get 4 pcs adjustable floor rail with 8 pcs screw fittings. Product Description Features: 1.The sliding door track can slide easily and quietly without damaging the door and the floor with a quiet effect and will not affect your daily life. 2.The floor guide is adjustable, suitable for doors of all thicknesses and you can use it with confidence. Features: Product color： Black Material: Plastic Condition: 100% Brand New Product Size:4.3*2.5*2.5cm Package: 4 * Heavy Duty Floor Guide 8 * Screws Safe MaterialThe floor guide of the sliding door is made of POM plastic material, non-toxic, tasteless and harmless. Product List You will get 4 pcs adjustable floor track with 8 pcs screw fittings. cabinets, office doors.