PRODUCT APPLICATIONSThis barn door guides for bottom is widely used in various barn doors, sliding doors, wooden doors, closet doors, shower doors, etc. It is the best choice for your home hardware accessories.PRODUCT DETAILS INCLUDE Material: Iron Color: White Aperture x Hole Distance: 4mm x 24mm / 0.16inch x 0.94inch Overall Size: 38mm x 20mm x 15mm / 1.5inch x 0.79inch x 0.59inch ( L x W x H ) Package Includes: 2Pcs x Cabinet Hardware Sliding Door Hanging Round Wheel Guide LocatorPRODUCT ADVANTAGES1. This pocket door guide is easy to use and simple to install. You only need to install it on the wall with screws to keep the door balanced, allowing you to easily push or close the barn door without making any noise, making your living environment more comfortable and quiet.2. Our sliding barn door floor guides are made of thickened iron, with excellent workmanship, not only smooth surface, strong and durable, but also rust and corrosion resistant, long service life.ATTENTIONBefore purchasing these door bottom sliding guide locator, please measure the size you need to determine if the hole diameter and other dimensions are suitable to avoid installation problems.