You may also want to consider a Keyless Chuck to use with either Handpiece for fast bit changes. Accepts accessories with shanks from 1/64" - 1/8" (0,5 - 3,2 mm).
You will need a housing collar to use the Keyless Chuck with the #50 and #50E
Proxxon Drill Stand provides the steadiness when needed and turns your 60 and 60E rotary tool into a mini drill press for drilling very fine holes. NO DISCOUNTS