Assertion: padlock's shackle | /r/MadeOf | hardened steel
Facets:
Source sentences:
text: The shackle of most padlocks is made from hardened steel, although more expensive padlocks may have boron alloy steels to make them more difficult to cut.
text: The shackle of most padlocks is made from hardened steel, although more expensive padlocks may have boron alloy steels to make them more difficult to cut.