FULLY ADJUSTABLE WALL MOUNT BARN DOOR GUIDES- SLEEK FLOOR GUIDE - Fit up to large thick door 3.5 (3.1/2) inchALL WHEELS HAVE 2 BALL BEARINGS INCLUDED - Quiet Wall Mount Stay Roller - Adjustable to Fit to a Thinner Wooden BoardCOMPLETELY FLUSH TO GROUND - CHROME STEEL BOTTOM DOOR BRACKET GUIDANCE - Heavy Duty sliding barn door hardware stop kitEASY INSTALLATION - Bottom door floor slider stabilizer are mounted to prevent the door to sway from wallANTI - SCRATCH Self-adhesive felt strip protect the door from scratches and roller will work much more quietlyName:Floor Guide for Bottom of Sliding Barn DoorMaterial:MetalColor:SilverSize:12 x 4 x 6.5cmPackage Contents:4 set x Floor GuideOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.