Check the listing for details. 4-Pack Roller Guide Sliding, 4mm/0.16" Dia Sliding Floor Guide [White]. Condition: New. Listed at 14.37 USD. 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: 4Pcs 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.