Low profit helps keep employees from tripping on cord connection 10mm snap (stud or socket) easily snaps to mat.
Ring terminal / Banana plug at end of cord allows easy attachment to building ground.
Molded dome cap reduces tripping flush with mat surface, chairs can easily roll over them without getting snagged.
Extra ring terminal (included) allows for customizing cord length.
1 Megohm resistor or no resistor.