The NS 4 1/4 QD Bush with Bolts from Precision Inc is a high-quality component designed for secure connections in mechanical systems. This QD bush features a 4 1/4-inch size, ensuring compatibility with various pulleys and shafts. Constructed from durable materials, it provides reliable performance and meets industry standards for safety and efficiency. The included bolts facilitate easy installation, making it a convenient choice for maintenance and upgrades. Enhance your machinery's performance with this dependable QD bush, designed for long-lasting use in demanding applications.