6mm glass double rollers 45KG impact test >30000 times wheels test salt spary water leakage test stainless steel profiles

6mm glass doublerollers45KG impact test>30000 times wheels testsalt spar test of all accessorieswater leakage test

Dimension: 70*70,80*80,70*90,90*90,100*100,80*100,80*120