The 0.4140 Carbide Chuck Reamer from Field Tool Supply is engineered for precision reaming applications. Made from high-quality carbide, this reamer offers exceptional hardness and wear resistance, ensuring a long service life. With a size of 0.4140 inches, it is perfect for achieving precise hole dimensions in various materials. This reamer is designed for use with standard chuck systems, making it versatile for different machining setups. Its robust construction meets industry standards, providing reliable performance for both professional and DIY projects.