JNM200 Jacketing & Necking Machine Take control of your tubing with the JNM200 Jacketing and Necking Machine. Use the Necking function to precisely control both the tubing ID and OD. Alternately, use the Jacketing function to neck polymer tubing down over a hypotube or mandrel. The onboard adjustable temperature controller  precisely controls the die temperature for consistent results every time. JNM200 Jacketing & Necking Machine Data Sheet: 301 Tesconi Circle, Santa Rosa, CA 707.237.2129     © AVID Innovation, 2011