ULTIMATE SOLUTION - - Simply put, the Island Hardware Barn Door Floor guides can't be surpassed thanks to the staggering 13 DIFFERENT setup combinations! The next closest stay roller only has 8 setups which means our guide fits more barn doors using a style of your choice which is why it's our Ultimate floor guide for sliding barn doors. SUPER EASY TO INSTALL - - You will see from our reviews that it's a breeze to install this guide, our instruction manual is very easy to understand and digest and you'll find that minor adjustments are incredibly easy to do using the spanners that come included. Don't make the mistake of buying a different barn door kit guide that is a nightmare to install and operate. SILENT AND SMOOTH - - Thanks to the included adhesive felt strips makes this bottom guide the best solution for sound sensitive areas where you need silent rolling from your sliding door. The all weather resistant rollers and construction allow for interior and exterior use on doors and gates too. 100% FLUSH TO FLOOR FIT - - This barndoor guide is wall mounted and completely flush to floor. No more ugly annoying gaps because of bulky nuts and bolts. The Island Groove system means the nut and screw sit inside our barn door hardware unit. GUARANTEE - - We're so confident that you'll be 100% happy with your Island Hardware barn door glide stay roller that we offer a money back option upon return and functional defects. Our obsession with all hardware including floor guides, handles and pulls, tracks and stabilizers has led us to create what we feel are the very best, most advanced wall mounted guides for home and industrial sliding bypass doors. Works on all sizes 5ft,6ft, 8ft, 10ft and 12ft single and double.