2 set Industrial tools:1 set x L joints & 1 set x 2020 Series Aluminum Profile Connector<br> : Metalworking<br> Model: 20 series suitable for use on 6mm groove European standard aluminum profiles<br> 2020 Series Aluminum Profile Connector Set widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC cutters, Robotics Projects<br> Cast Aluminum Corner Bracket used to connect pieces of 20mm aluminum extrusion at a 90 degree angle suitable for most of metric 20 Series Aluminum Profile Extrusion<br> T-Slot Aluminum Extrusion M5x10mm Hardware T-Nuts made from high quality carbon steel Galvanized, is plated with nickel for good rust resistance and better performance high hardness and a long service life.<br> High Quality Carbon steel Hex Socket Button Head Bolts Screws Nuts chrome finish Anti-,rustless,non-pollution and high-hardness.used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry<br> colour:Silver<br> Material:aluminum+Aluminum alloy<br> size:25 x 26 x 4.5 x 9.5mm<br> Package Contents:<br> 20 x L joints<br> 40 x screws<br> 10 x corner stand<br> 20 x M5 x 10mm T-nuts<br> 20 x M5 x 10mm screws<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.