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10/ 50pcs Square Nut M3 M4 M5 M6 M8 Zinc-Plated Carbon Steel Thin Rectangular Nuts Slider Block for Aluminum Profile Accessory
10/ 50pcs Square Nut M3 M4 M5 M6 M8 Zinc-Plated Carbon Steel Thin Rectangular Nuts Slider Block for Aluminum Profile Accessory
https://www.bizrate.co.uk/homehardware/10-50pcs-square-nut-m3-oid26067862236.html