The?Foredom? #10 Quick Change Handpiece is a slender?hand piece?with rotating lever action that releases and closes the collet for quick and easy changes. It requires lubrication after the first 2-3 months of continuous use. For use only with 2.35mm (3/32") burs. 7 3/8" long. 21/32" diameter.
Instructions.?
Parts list. 
William Rodriguez - 2024-03-03
The quality of the product is exceptional, and it arrived much quicker than I expected. Excellent customer service as well.