Identify this header

I'm designing a shield that has some low clearance above it. I want to use this female header that ARduino wifi shield has:

Left picture 6 pin female header. It's circular and half as tall as the rest of the square hole female headers.

Here is an angled view:

Can someone give me a name of this part? Thank you!

Scroll down on this page
http://www.king-cart.com/phoenixent/product=RECEPTACLES-SOCKETS+PCB+MOUNT+.1SP+SINGLE+ROW/exact_match=exact
HWS9446 or HWS15858 perhaps?

Thanks! 9446 looks like the right height! I'll get some for testing.