On Fri, 02 May 2014 10:37:54 -0400, wrote:

http://www.homedepot.com/p/MS-Intern...54SB/202195880

That's a threshold. You wouldn't have those beveled edges on a window sill.
Nor would it be 6" wide.

Don. www.donwiss.com (e-mail link at home page bottom).