On Flir Ex Series Cameras
844 Dv 5" x 0.6" Steel Extension for 844 D Modular Unit System
For extra-deep bores. Screws in between holder and measuring heads. Several extensions can be screwed together as of 8 mm. Models 844 Dv and 844 Dvk made of Invar steel.
** This item is BRAND NEW – not refurbished.