uxcell 112mm Long MT2 to MT3 Morse Taper Adapter Reducing Drill Sleeve Product Name : Reducing Drill Sleeve;Type : MT2-MT3 Bore Diameter : 17.4mm/0.685";External Max.Diameter : 24.5mm/0.965" Total Length : 112mm/4.4";Material : Metal Color : Silver Tone;Weight : 174g Package Content : 1 x Reducing Drill Sleeve