Para 3 Lightweight Salt Button Lock The Manix 2 XL is

The Manix 2 XL is available with two different finish options—a satin-finished blade and brightly finished hardware and an all-black theme featuring a non-reflective Diamond-Like Carbon (DLC) blade coating complemented by black-coated liners and handle hardware

Here's some design insight from Massad Ayoob himself that I found on the spydiewiki page (originally from Bladeforums):

we have incorporated it into Michael Janich’s Yojimbo 2

it provides reliable

Australian custom knifemaker Alistair Phillips specializes in slim

Para 3 Lightweight Salt Button Lock The Manix 2 XL isSleek, simple, and fearlessly corrosion resistant, the Para 3 Lightweight Salt may be the ultimate everyday carry knife for those who work in and around the water. It takes the innovative Para 3 Lightweight platform and supercharges it with a PlainEdge blade crafted from CPM MagnaCut. Its open backed fiberglass reinforced nylon (FRN) handle is injection molded in bright yellow to ensure high visibility and features Spydercos Bi Directional Texture