The 4-40x1/2" Allen Bolts (4) set includes four high-quality bolts with a standard Allen head, offering strong and secure fastening for a range of small-scale applications. Ideal for RC models, electronics, and hobby projects, these 4-40x1/2" bolts provide durability and easy installation in tight spaces. Enhance your toolkit with these dependable bolts for professional-grade assembly and lasting connections.