Base: Rectangular or custom‑shaped base Fins: Wavy or curved fin profile Fin Thickness: 0.3–0.9 mm Fin Pitch: 1.0–2.5 mm Fin Height: 8–40 mm Overall Dimensions: 40–200 mm × 30–100 mm × 12–50 mm Mounting Features: Avoidance holes / custom positioning features Material: Al 6063 / C1100 Copper Surface Treatment: Nickel plating / anti‑oxidation treatment