Feature---Matte black steel bottom track ensures a high level of performance for your sliding door. Two screw holes provide a secure lock that prevents the door from rotating sideways. Material --- The floor guide adopts premium carbon steel, which is sturdy material, durable and sustainable. To ensure the quality of the material, all parts are salt spray tested. Easy to install --- Fix it on the wall with screws and no groove is required for the door. By adjusting the rollers to fit your door panel. No need to drill holes in the floor. Proper Use --- This adjustable width floor guide is suitable for pre- and slotted doors. When the door is 1 to 1-3/8 inches thick, the bottom door groove is not required. Satisfaction Guarantee</span> Description Product Specifications: Status: 100% Brand New Material: Carbon Steel Color: Black Size (L x H x W): Approx. 4.5 x 2.7 x 4.8cm / 1.77 x 1.06 x 1.89inch Weight: Approx. 118 g Package included: 1 x floor guide 1 x set of screws