Parts List: 30×2028 Black Corner Brackets 62×Type 20 M5 European Standard Slider Nuts 62×M5×10mm Black Semi-Round Head Screws 1×Wrench Highlight description: [Premium Material] The 2028 black corner bracket is made of die-cast aluminum, M5 screw is made of carbon steel, and the type 20 M5 European standard slider nut is carbon steel Q235. The surface is galvanized with good wear resistance and rust resistance. It is stable for long time use. [What You Get] The package includes 30pcs 2028 black corner brackets, 62pcs type 20 M5 European standard slider nuts, 62pcs M5×10mm black semi-round head screws and 1pc wrench. [Size Details] The width of the 2028 black corner bracket is 20mm. The length of the right-angled side is 28mm. The length of the M5 screw is 10mm. The hole diameter of the 20-type M5 European standard slider nut is M5, the length and width are 5mm, and the height is 4.5mm. [Black Bracket Design] This right-angled black corner bracket can be completely hidden in the slot of the aluminum profiles. It adopts black design, which is beautiful and convenient to use and install. [Widely Uses] This 2028 black corner bracket is suitable for construction industry aluminum frame structures, 3D printers, CNC routers, CNC cutting machines, CNC plasma cutting machines, 3D engraving machines, machine protection devices, robotic projects, etc. Detailed description: Product Name: 2020 Series Aluminum Extrusion Connector Kit Material: 2028 black corner bracket: Die-Cast Aluminum M5 screw: carbon steel Type 20 M5 European standard slider nut: carbon steel Q235 Size: 2028 black corner bracket: 20mm wide, the right-angled side is 28mm long M5 screw: 10mm long 20-type M5 European standard slider nut: hole diameter M5, 9.5mm long, 9.5mm wide, and 4.5mm high Color: Black Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. [Premium Material] The 2028 black corner bracket is made of die-cast aluminum, M5 screw is made of carbon steel, and the type 20 M5 European standard slider nut is carbon steel Q235. The surface is galvanized with good wear resistance and rust resistance. It is stable for long time use. [What You Get] The package includes 30pcs 2028 black corner brackets, 62pcs type 20 M5 European standard slider nuts, 62pcs M5×10mm black semi-round head screws and 1pc wrench. [Size Details] The width of the 2028 black corner bracket is 20mm. The length of the right-angled side is 28mm. The length of the M5 screw is 10mm. The hole diameter of the 20-type M5 European standard slider nut is M5, the length and width are 5mm, and the height is 4.5mm. [Black Bracket Design] This right-angled black corner bracket can be completely hidden in the slot of the aluminum profiles. It adopts black design, which is beautiful and convenient to use and install. [Widely Uses] This 2028 black corner bracket is suitable for construction industry aluminum frame structures, 3D printers, CNC routers, CNC cutting machines, CNC plasma cutting machines, 3D engraving machines, machine protection devices, robotic projects, etc.