All Features: Stainless steel, Max. door weight: 260 lbs. (120 kg), Suitable for door thickness of 1-3/16” – 1-31/32” (30 – 50 mm), Softclose: 1-3/16” – 1-37/64” (30 – 40 mm), Black wheel is made of POM (polyformaldehyde) Color: Stainless Steel Brand: US Futaba Package Contents: 4 Clamps for Fixing Track 2 Door Stoppers 1 Rail, Length 6.5’ 2 End Caps 2 Sliding Door Rollers 1 Floor Guide Screws and Mounting Tool Sell Without Stock: No