How add Weldolet missing size 10x3

Hi,

I do want to add a 10x3 weldolet but, I could not find it at the Design Library > Routing > Piping > O-lets > Weldolet...

Am I missing something? Do I need to install Add-Ins?

How? Do I add sizes on Weldolet.

Appreciate your feedbacks.

Wehlee

SolidworksParts And Features