Features: <br>Made of premium carbon steel , strong and durable <br>Install it into the groove of the two profiles, and then tighten the screws <br>Used for straightening between two profiles <br>Comes with screws, convenient to install <br>European standard industrial aluminum profile, with reliable performance <br> <br> <br>Specification: <br>Material: carbon steel <br>Weight: Approx.151g~384g/5.3oz~13.5oz <br> <br>Detailed size: Model(Optional) length width thickness screw hole Quantity <br>2020 100mm 10mm 5mm M5 6 <br>3030 180mm 15mm 6mm M6 2 <br>4040 180mm 19mm 10mm M6 2 <br>4545 180mm 19mm 11mm M8 2 <br> <br> <br> <br>Package list: <br>1 set x Aluminum Profile with screws<br>1、Made of premium carbon steel , strong and durable <br>2、Install it into the groove of the two profiles, and then tighten the screws <br>3、Used for straightening between two profiles <br>4、Comes with screws, convenient to install <br>5、European standard industrial aluminum profile, with reliable performance