You'll get two primary mouse button pieces, two palm rest pieces, and two buttons for each of the two thumb buttons. It's not really the most exciting-looking mouse, even for modularity ...

the ability to raise the palm rest was highly appreciated. This reviewer/gamer was less enamored by the design of the sides though. Since it's an ambidextrous mouse they are straight instead of ...

[Phil] managed to fit a 2.7 – 4.2v Li-Poly battery in the mouse’s palm rest, where there was a little extra empty space. The battery can be charged from any USB port via a custom-built ...

A large cushioned palm rest helps position your hands properly on the keyboard and offers a comfortable place to rest them when not typing. Right-handed comfort mouse with generous contoured ...

HyperX's PulseFire Saga mouse was the one we singled out above ... two main clicker sets, two palm rests, and four thumb buttons. They’re easy to swap out, so it shouldn’t take much time ...