END USER: MTU Aero Engines GmbH, +49 89 1489-0, www.mtu.de. CHALLENGE: Minimize cutting tool vibration and runout when circular stagger milling titanium blisks. SOLUTION: A hydraulic toolholding system that dampens vibration and minimizes runout. SOLUTION PROVIDER: Rego-Fix Tool Corp., (317) 870-5959, www.rego-fix.com