I checked USPS and saw this:
But looking at the specs the KST V6 is 100x55X28 (mm) (HWD)which translates to 3.9″x2.1″x1.1″
My Yaesu VX-7r is 60x90x28 (mm) (HWD) so a little shorter, but a tad wider and same thickness.
So I’ll have the KST V6 in m hands tomorrow. Coolness!