The Foredom Pin and Wrench set is the perfect size for all of your handpiece needs. It can be used on H.44T, H.43T, H.44TSJ, H.44HT, H.44T-EH.35, H.35SJ, H.25, and H.25H accessories as well as other Foredom models with 1/2 inch diameter socket hilts!
The pin is included to secure your chuck before trying to use the wrench. It just makes it so much simpler. There is not slipping or problems with tightening or loosening the jaw chucks on any of these Foredom Handpiece. The Foredom Pin & Wrench set does come with the Foredom flex shaft kits but we also have them if you misplaced yours.