Fangrui Product Details We Provide 12 Sets Of Standard Size M8 Four-in-one Connectors, Bolt Set: M8x100mm; Long Nut: M8x20x14mm; Half-moon Nut: M8x30x14.5mm; Hexagonal Nut Diameter: 15mm; Thickness 5.5mm; Aperture: M8, Sufficient Quantity, To Ensure That You Have Spare Replacements Left These Furniture Bolts And Nuts Are Made Of Metal, Cold Forged, With Precise Thread Structure And High Tensile Strength; The Surface Adopts Strengthening Technology, Electroplating Coating, Corrosion Resistance, Beautiful Appearance Furniture Fastening Connectors Can Enhance The Stability Of Furniture And Improve The Safety Of Furniture; These Gold Countertop Connectors Can Also Make Your Furniture Look More Refined, Making Your Furniture Both Beautiful And Practical Save Time And Effort, Safe And Stable Connection, Meet Modern Peoples Lifestyle Requirements For Efficient Assembly Furniture Hardware Can Be Use For Panel Connections Of Panel Furniture (such As Bed Frames, Wardrobes, Cabinets, Cupboards, Tables, Bunk Beds, Headboards, Footboards),