Walnut shell sandblasting abrasive. Used for deflashing, deburring and finishing operations, filler and extender applications
Premium Ground Walnut Shell Media Grit Size 12/20-5 lbs/2.3 kg - Medium Grit Walnut Shells for Tumbling, Blasting or Vibratory Use: Amazon.com: Tools & Home Improvement
Walnut Shell for Blasting | Walnut Shells - SICHENG
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Premium Ground Walnut Shells Grit Size 18/40-5 lbs/2.3 kg - Medium to Fine Grit Walnut Shells for Tumbling, Blasting or Vibratory Use - Amazon.com