Now just imagine the outcry and threats of EPA environmental impact reports if someone were to suggest using a lead base for a key!! And yet somehow we all survived... On Fri, 27 Aug 2004, Sherrill Watkins wrote: > I noted in the 1960 QST article that the Sideswiper key sub-base is > 4"x4-1/4"x3/4"thick block of lead! -73- k4own.