Opalized Glass Percussion Slabs, Synthetic Opal Flintknapping Slabs Polish These small flate rate boxes

These small flate rate boxes are 3+ lbs of black obsidian spalls and flakes

There 20 plus inches of material in each row and there is several videos on my YouTube channel Danny Collins Lithics & Leather showing knapping these point specific preforms

If I was to order just one

black and tan

These heat treated English flint preforms are 5/16 to 3/8" thick and ready to knapp

Opalized Glass Percussion Slabs, Synthetic Opal Flintknapping Slabs Polish These small flate rate boxesOpalized glass percussion slabs are approximately 3 4" thick 5 1 4 long" x 3 1 2 wide size can verry slightly. This is high quality premium glass and makes beautiful points and blades.