The Faro Long Handpiece with Duplex Spring is the same as the regular version with the addition of the duplex spring.  This handpiece too is cool running, has ball bearings, and has a slim body for precise control; but with the addition of the duplex spring, you get more freedom, flexibility and control especially for when you are working on more intricate pieces.

This popular handpiece also has a 3/32″ (2.4mm) collet with quick release lever that allows you to swiftly change over your burs and other mounted tools.