Item Descriptions:-Base daimeter:14mm/0.55inch; Top diameter:10mm/0.39inch; Hole diameter:4.8mm/0.19inch-Made of stainless steel, will not rust or corrode even in salt water environments.-Used for canopy covers and fabric, also can be applied for DIY crafts or clothing such as shoes, hats, jeans, windbreaker, down jacket, jackets and so on.-An essential replacement part of daily life, great replacement to replace your old or damaged one.-Package includes 40pcs Boat Cover Canopy Fastener Studs.Package:40pcs Snap FastenersItem Specifications:Material:Stainless SteelColour:SilverBase daimeter:14mm/0.55inchTop diameter:10mm/0.39inchHole diameter:4.8mm/0.19inch