E-Mag:

On/Off pin: .712" w/ brass top and double o-ring top.
.725" w/ aluminum top and single o-ring top.

Trigger Rod: 2.125"

Solenoid Plunger Rod: 3.005"

RT-Pro:

On/Off Pin: .765"

Trigger Rod: 1.985"

Retro Valve/X-Valve/Classic RT:

On/Off Pin: .750"

Automag Classic/Minimag:

On/Off Pin: .750"

Trigger Rod: 1.985"

Level 10:

Bolt stem: 2.010"