1.This door floor guide is constructed with powerful POM plastic.2.Adjustable wall mounted floor guide to prevent sliding door from swinging out away from the wall.3.Fit for the Wooden Sliding Doors that have groove in the bottom of middle.Specification:Product Name: Floor GuidePackage Content: 1 x Floor Guide, 2pair x Anchor ScrewMain Color: BlackMaterial: POMDimension: 45.5 x 32.5 x 40.1mm / 1.79-inch x 1.28-inch x 1.58-inch (L*W*H)Mounting Hole Size: 9.6 x 4mm / 0.38-inch x 0.16-inch (L*W)