Page 10, Brazilian Agate Preforms,Flintknapping Slabs Jewelry It measures 13 1/2" in

It measures 13 1/2" in length  and is 2 1/8" wide

These polished Springbok horns make incredibly beautiful knife handles especially when an end cap is added

1/4" 5/16" 3/8" and 1/2"

One of the biggest advantages is that any cracks and other potential issues have already been knapped away

of top-grade Georgetown flint nodules

Page 10, Brazilian Agate Preforms,Flintknapping Slabs Jewelry It measures 13 1/2" inThese Brazilian Agate preforms will be availablein in very limited numbers. I think Brazilian Agate is one of the prettiest knapping materials we have to flintknapp The preforms are 5 16 to 3 8" thick and ready to knapp