HMH has been manufacturing CNC machine fly tying vises since, 1975. The Spartan CFR series is a high quality design with 3 interchangeable jaws. It comes standard with the omni jaw, ( medium size ), Available are the Micro Jaw for small hooks and the Magnum jaw for large hooks. Made in Maine, USA. (Special Note) HMH will donate $25 to CFR for every vise sold and Breton’s Bike & Fly Shop will also donate $25 for each vise sold. For more information about Casting for Recovery visit; www.castingforrecovery.org