Masters of G-Fr4 Materials and Phenolics. Jmj Profile's Tooling, Machining Equipment and Experience is Uniquely Aligned with the Meticulous Requirements of This Exacting, High-Performance Material. Precision Plastic & Soft Metal Parts & Components Configurations; CNC Multi-Spindle Machining, Drilling & Routing From Sheet Stock to Exact Specifications; Tolerances to Plus / Minus.002; Materials Include G; Glass Laminates, Aluminum, Pvc, Nylon, Lexan, Polyethylene, Delrin, Polycarbonate, Acrylic, Cooper ...