Main Material: High quality carbon steel . Black frosted, corrosion protection

The clearance from the top of the door to the top edge of the cabinet should be at least 4''.

Roller size:6.7''(L)x 1''(W) The diameter of the wheel is 1.5''. Steel rail width: 1''.

Fit for Door panel thickness: 4/5" - 1.18'' 

Door Max Weight: 100lbs

All the size is the length of track，usually, we recommend the track length should be at least 2 times the doors width or the opening.For example, if the door is 30'' wide. You will need 2 * 30'' = 60'' long track. Or if you have an opening that is 30'' wide, you will need at least 60'' long track. 

The sliding rail: Precision reserved hole design, easy to install

Only hardware is for sale. Door&Cabinet is not included. 

Warranty : 5 years