Dimensions: Bottom diameter = 1.875", Top diameter = 2.203", Height = 1.00" Excellent for masking parts during powder coating, painting, anodizing, plating, media blasting, etc Withstands heat up to 600 degrees F - Durable, flexible, rugged and reuasable - Coatings won't stick Many uses around the home, garage, auto shop, classroom, laboratory, machine or refinishing shop High Temp Masking Supply is a family owned, US based, small business High Temp Masking Supply plugs keep powder coating, ceramic coating, paint, and more out of places you don't want them. Built to take the heat, they can withstand temperatures as hot as 600°F. This premium silicone rubber is flexible enough to conform to rough surfaces and works in both threaded and non-threaded holes. The tapered stopper design allows these plugs to fit many hole sizes and depths. Not just for metal finishing either, these versatile plugs can be used around the shop, home, classroom, etc. Color may vary slightly from photos.