From the product description, check product page for current description, price and availability:

• High performance Acetal plastic, much more durable than ABS and Nylon
• Value 10 Pack
• Designed to remove o-rings from grooves without scratching hardware or any other safe use
• Handle with care, the tips are very sharp and strong

10 pack O-Ring installation tool of high performance Acetal plastic tool to aid the extraction and installation of rubber o-rings and seals without scratching hardware. Acetal is much more durable than ABS or Nylon plastic. Handle with care as the tips are very sharp

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