Detail 2 pcs. Barn Floor Guide Smooth Butter Bearings Stay Roller Sliding Adjustable Guides Flush With FloorIf you need a guide on both sides of your barn door, it fits best. The item can be flush with the floor as the screws do not protrude from the bottom. You'll also like the look that matches your top gear. It is very easy to install and all the hardware you need is included. If your home doesn't have enough space for a normal door, we have the perfect solution for you. Our roller track fits perfectly with all types of barn doors to prevent it from swaying away from the wall. It easily mounts to the wall with mounting screws and looks great both indoors and outdoors. This is a great product and probably the best deal on the internet for sliding door hardware. It looks and feels like something that should cost a lot more. The hardware is durable and is strong enough to accommodate doors that slide like butter. The quality is better than what you can find in a high-end wood store. A heavy lower roller track is an essential part of proper sliding door installation. However, if you buy a cheap door guide, every time you open the door, you'll either warn your dog or wake someone up. So, if you really need a working door track that is of high quality, the ball bearing wheels are smoothColor: BlackMaterial: Metal Size: 65x122mm Package Content: 2 * Warehouse Door Roller Skates1 * Accessory SetsOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.