- Description
urface: black frosted, high quality carbon steel, corrosion protectionTrack and roller arm thickness: 0.23 inches. Screws: 8.8 grade high strengh bearing capacity. Stopper: rubber covered, good buffer effect, reduce the noiseAluminium Alloy Roller, More sturdy, Bearing: High purity bearing steel Gcr15, passed the test of opening - closing for 100000 times, wear-resisting, ensure the stability of the move and the wheel's fluencyWe are professional factory, accept custom-made barn door hardwareService: 5 years warranty, 90 days return time (If you did not like it or no longer need, under situation of the product does not affect the second sale that you could return to us