All Features: Stainless steel, Max. door weight: 260 lbs. (120 kg), Suitable for door thickness of 1-3/16” – 1-3/4” (30 – 45 mm), Black wheel is made of POM (polyformaldehyde) Color: Stainless Steel Brand: US Futaba Package Contents: 4 Clamps for Fixing Track 2 Door Stops 1 Rail, Length 6.5’ 2 End Caps 2 Soft Close Mechanisms 2 Triggers for the Soft Close 2 Sliding Door Rollers 1 Floor Guide Screws and Mounting Tool Sell Without Stock: No