It's composed of 4 bolts, 4 nuts and 4 nylon separators. Before fixing the screen, don't forget to remove the protective plastic sheet.
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It's composed of 4 bolts, 4 nuts and 4 nylon separators. Before securing the screen, don't forget to remove the protective plastic sheet. For tightening the bolts you could use a 2mm Allen key while hold the nut with your fingers.