4PCS Black Aluminum Profile Connector, TTZEZE 20 Series 3-Way End Corner Bracket Solid Connector with M4 Screw for Standard 6mm T Slot Aluminium Alloy Extrusion Profile 3D Printer Parts,Thickness 5mm 2020 Series audio That is it

That is it

cupboard and cabinet at 90 degrees

Wiring Hole Multifunctional screw hole design at the bottom

No-slip Pad Super honeycomb shaped rubber

4PCS Black Aluminum Profile Connector, TTZEZE 20 Series 3-Way End Corner Bracket Solid Connector with M4 Screw for Standard 6mm T Slot Aluminium Alloy Extrusion Profile 3D Printer Parts,Thickness 5mm 2020 Series audio That is it4PCS Black Aluminum Profile Connector, TTZEZE 20 Series 3 Way End Corner Bracket Solid Connector with M4 Screw for Standard 6mm T Slot Aluminium Alloy Extrusion Profile 3D Printer Parts,Thickness 5mm Product Features Hight Quality Material Made of high quality aluminium alloy material for durability, high wear resistance and high stability, high hardness and a long service life for good rust resistance and better performance. Wide Applications 3 Way