Features Morse Taper Connector: Small size, easy to carry and store, convenient to use and with good performance. Morse Taper Shaft Adapter: inner diameter is 0.8inch, and the maximum end of the taper shank is 0.9ich. The morse connecting rod: operation is simple, punching is quick, and the performance is very good when used. The connecting rod chuck adapter after quenching and heat treatment, it has high hardness and high accuracy, strong and durable. The morse taper connecting shaft can be used with peace of mind, with strict quality control and quality assurance. Specification: Item Type: Morse Taper Connecting ShaftColor: Silver Material: Steel Inner Diameter: Approx. 19.05mm / 0.8in The Largest End of the Taper Shank: Approx. 23.825mm / 0.9in Package List:1 x Connecting Shaft Package List 1 x Connecting Shaft