TOOGOO(R) 112mm Length MT3 Spindle to MT2 Arbor Morse Taper Adapter for Lathe Product Name : Reducing Drill Sleeve;Type : MT3-MT2 Inside Diameter : 17.4mm/0.685";Outside Diameter : 24.5mm/0.965" Total Length : 112mm/4.4";Material : Metal Color : Gray;Weight : 174g Package Content : 1 x Reducing Drill Sleeve