Just insert the right Angle of the end of the connecting block into the profile groove, rotate 90 degrees, that is, tightly fixed on the profile, and then you can install plexiglass and other kinds of inner plate on the profile, locking with bolts, simple installation, convenient disassembly.

Specifications:

• Dimensions: 14x16x21

Package include:

• 1 Spacer Block
• 1 Nut
• 1 Bolt