Package Dimensions: 3.048 L x 3.302H x11.684W centimeters Country of Origin: China For adapting tools with Morse taper shanks to machines having smaller, same or larger Morse taper spindle (EXTENSION SOCKET) Package Weight : 0.771 kilograms

MT3 Inside to MT2 Outside Drill Sleeve. For adapting tools with Morse taper shanks to machines having smaller, same or larger Morse taper spindle.