Three-Dimensional Adjustable Cross Hinge Folding Door Concealed Hinge, Specification: No. 1 Dumb Black 40kg

1. Material: zinc alloy
2. Scope of application: folding door/invisible door/door
3. High load-bearing 180 degree opening and closing, regardless of left and right, completely hidden
4. Multi-layer electroplating, not easy to paint off
5. Four-axis thickened support arm, it is not easy to sag after long-term use
6. Accessories description: with installation accessories and instructions, hexagonal wrench