Hahaemall Classic Design 5FT/60'' Single Sliding Barn Door Hardware Cloest Black Metal Rail Heavy Duty (I shape hangers) BrandHahaemall condition: New Surface: Black frosted, corrosion protection Material: High quality Steel. Door weight : 150lb - 230lb, Door panel thickness:13/8''and 13/4'. Passed the test of opening - closing: 100000 times. The rail hole-space is pre-drill 16'', It is the 16" US standard distance layout. Detailed instruction: use both words and pictures to display the steps of installing the barn door hardware 5FT kit's Package Include: Roller(2) Stopper(2) Sliding track(1pc*5ft ) connector(4) Anti-pad:(2) Floor guide(1) Installation manual(1); Hardware Only,DOOR NOT INCLUDED. Warranty : 5 years, We provide customized service. Meet all of your need. We will Ship Replacement Parts for any damaged or missing pieces at no charge.If you want to buy extra sets of J-Shape Hanger to install more doors, Please buy our J-Shape Hanger( ASIN: ,This J-Shape hanger is compatibale with our J-Shape sliding door hardware kit.