Clear coating Aluminum Black lightsaber?

Since I only get one shot at this, I thought it appropriate to ask advice first what’s everyone’s favorite clear coat for hilts/parts weathered using

3-1/2 Harpoon Blade Composite Handle Pocket Knife, Black

Kato-Kiyomasa's-Masakuni-Dotanuki-Koshirae — Tozando International

Clear coating Aluminum Black lightsaber?

H-190 Armor Black and MC-5100 Aluminum Clear by TOSH

Charge Plus Multi-Tool

Toastmaster Immersion Hand Blender, Immersion Blender

1-3/8 Carbide Teeth Metal Multi-Tool Blade

Custom Finishes – SaberForge

Kershaw Iridium 2038 DuraLock Gray Anodized Aluminium pocket knife