A2 Stainless Steel For Corrosion Resistance OR A4 Marine Grade Stainless Steel. M2 (0.40mm Pitch) 4mm 1.6mm. M2.5 (0.45mm Pitch) 5mm 2mm. Nut Height. 4x LARGE WINDOW SUCTION CUP HOOKS Clear/Plastic Bathroom Kitchen Tile Sucker.
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