The 4-inch (102MM) HOLESAW by IRWIN Industrial Tool is designed for precision cutting in various materials. This bi-metal holesaw features a durable construction that ensures longevity and efficiency. Ideal for wood, plastic, and metal applications, it provides clean and accurate holes. The holesaw is compatible with standard drill chucks and is designed to fit most power tools. With a tooth design optimized for fast cutting, it minimizes friction and heat buildup, enhancing performance. This tool meets ANSI standards, ensuring reliability and safety in professional and DIY projects.