Economical and dependable brass ferrules enable you to make up custom hose assemblies. These brass ferrules are annealed for ease of crimping and they are brightened and lacquered so that product does not lose color, luster especially by exposure to air, dust and dirt in the machine or on the shelf. Specifications: Length: 1.0 Inch I.D: 0.690 Inch Hole: 0.500 Inch Wall Thickness: 0.025 Inch Material: C46500 Brass 50 per Pack has been a factory direct distributor of power tools, accessories, fittings and shop machinery since 1986.