Features 1、Adopting premium carbon steel, very sturdy, rust-proof and durable for long-term use. 2、The surface is galvanized to prevent surface damage and discolouration and oxidation. 3、Widely used in electrical and industrial products such as automobiles, furniture, etc. 4、A large quantity rivet nuts in 5 different sizes will meet your various working needs. 5、Transparent storage box will safely accommodate all the rivet nuts, very easy to carry. Specification Item Type: Rivet Nut Material: Carbon Steel Model: 1/4-20, #10-24, #8-32, 3/8-16, 5/16-18 Application: The set is widely used in electrical and industrial products such as automobiles, furniture, decorations, etc., and is suitable for various circumstances such as air conditioning, fire fighting, gas or medicine, beverages, food and chemical industries, and metal factories. Package List 42 x 1/4-20 Rivet Nut 45 x #10-24 Rivet Nut 45 x #8-32 Rivet Nut 8 x 3/8-16 Rivet Nut 10 x 5/16-18 Rivet Nut