1. Prominent feature: Soundless, easily mounting and durable.
2. Embedded six fine bearing and covered American Pu, the wheel become much stronger, Top assure its going through 100 thousand odd times move & 24 hours acid spray testing.
3. When adjusting, one hand-adjustable screw frees you from the trouble of door taking down.
4. You may change your furniture's door at random without alter decorating effect, It feeds you do it yourself desires greatly.