2020 SIZE: A=20mm B=20mm C=5mm SUIT FOR 2020 ALUMINUM PROFILE
3030 SIZE: A=30mm B=30mm C=7mm SUIT FOR 3030 ALUMINUM PROFILE
4040 SIZE: A=40mm B=40mm C=7mm SUIT FOR 4040 ALUMINUM PROFILE

2040 SIZE: A=40mm B=20mm C=5mm D=20mm SUIT FOR 2040 ALUMINUM PROFILE
3060 SIZE: A=60mm B=30mm C=7mm D=30mm SUIT FOR 3060 ALUMINUM PROFILE