The Allstar Performance 19143 Flush Allen Head Fasteners are specifically designed for auto performance parts, with a focus on engine and components. This product offers a set of 50 fasteners with a 7/16”x. .500” size, suitable for various automotive applications. Manufactured by Allstar Performance, known for producing high-quality performance parts, these fasteners are sure to meet the needs of car enthusiasts looking to enhance their vehicle's engine and components.