The Ballscrew Model T-12887 by START is a high-quality threadcraft component designed for industrial automation and motion control applications. With a length of 133.5 inches and a diameter of 1.929 inches, this ball screw features a lead of 1.18 and a right-hand start design. Its precision engineering and durable construction make it an essential component for ensuring smooth and reliable rotary and linear motion in various industrial settings. Fully refurbished and tested!!!!!