Suitable for use with panel furniture, Unable to see holes after installation. It is generally used for connecting outer frame, especially suitable for connecting open cabinet frame, such as antique shelves, bookshelves, open shelves, display cabinets. Make of nylon materials, strong and Enduring, not easily deformed. None hole designs, beautiful and stable. Suitable for frame connection, a 6mm/0.24inch diameter locking hole is required for the vertical panel, and the thickness of plate should be 16mm/0.63inch. Most of it is connecting at a 90 degree right angles, but can also be connecting at a 45 degree obliquely angles. When connecting at other angles, plate thickness should be 18mm/0.71inch., Weight: 1.26104413864 pounds, Manufacturer: rirue