OEM Machined Titanium Aluminum RFID Blocking Cardholder We supply precision metal card holders designed for B2B clients serving minimalist enthusiasts, EDC collectors, and business professionals. These ultra-slim card holders are CNC machined from aerospace-grade aluminum, titanium alloy (TC4), or carbon fiber, offering a high-strength, lightweight carry solution. Integrated RFID blocking technology provides data protection for contactless cards. This product line is ideal for distributors and retailers seeking customizable, precision-engineered carry accessories for their clientele.