The COLLIS #78955 is a high-quality 1" reamer designed for precision finishing of holes in various materials. This reamer is made from premium high-speed steel, ensuring durability and long-lasting performance. Its precise cutting edges provide smooth finishes and accurate dimensions, making it ideal for professional machining applications. The COLLIS #78955 meets industry standards for quality and reliability, making it a trusted choice for machinists and engineers. This reamer is compatible with standard reaming systems, enhancing its versatility in the workshop.