Professional countersink design to avoid scratching the door panel.Strong strength and long-lasting durability.Maintain balance and prevent swinging,ensuring smooth sliding of the barn door.With installation hardware,it is easy to adjust and install.Can be used safely for a long time.Specification:Material:steelColor:blackSize(approx):95*50*36*35*24mmwrench/allen wrench:70mmscrew:35mmexpansion tube:36mmPackage:1 pc x Floor guide1 pc x Wrench1 pc x Allen wrench2 pcs x Screw2 pcs x Expansion tubeNote:1.Due to the light and screen difference,the item's color may be slightly different from the pictures.2.Please allow 1-2 cm differences due to manual measurement.