... : cold rolled steel2. Width: 2 fold: 45mm, 43mm, 40mm, 38mm, 35mm, 32mm, 30mm 3 fold: 27mm, 17mm.3. Length: Standard size 10 inch to ... . OEM & ODM supplied 2. Smooth Sliding, Silent moving, soft closing. 3. High quality, competitive price, excellent customer Service, fast feedback7. Lead ...