PIRANHA Excalibur OTF with Chrome Scales & Button & Plain Edge Blade Argueably the Best OTF available….Handle is T6 Alloy with Machine Screw Construction & Anodized Finish. This has the Black Tracing . 100% Made in the USA! CNC machined and precision ground parts. Engineered, heat-treated stainless steel springs. Aircraft alloy handles the highest quality heat-treated stonewashed blade and internal parts.