Bolt-free binding - Independently developed and patented productUnshakeable sturdiness- Unshakeably sturdy due to the double fasteningEasy assembly/disassembly- No need for accessories such as bolts and nuts are not required * FEATURES OF ONE TOUCH ANGLE - Independently developed and patented product. - Even women can easily install/take apart without a tool..- No need for accessories such as bolts and nuts are not required.- Unshakeably sturdy due to the double fastening.- A multi-purpose product to be directly assembled. An excellent interior and design - An eco-friendly certificated top plate was used. - Excellent high-strength PO steel sheet was used.