Hand Blocker

Affix precision optical or ophthalmic lens blanks in metal blocks.
picture of Hand Blocker

Quick Stats


Salary Range
$18,000 – $49,000

Data from U.S. Department of Labor


What do Hand Blockers do?

Affixes precision optical or ophthalmic lens blanks in metal blocks used to hold blanks during grinding and polishing operations: Selects blocks according to size of lens blank and heats blocks or lenses over gas burner to prepare for adherence of pitch or wax. Pours molten pitch into block, using ladle, or melts wax over holding surface of block, using torch. Presses and centers lens blank into wax or pitch. Pushes lens to test for adherence to block and positions blocked lens under fan for cooling. May smooth and remove sharp edges from lens, using grinding wheel. May test centering of lens in block, using lapping machine.


Should I be a Hand Blocker?

You should have a high school degree or higher and share these traits:
  • Levelheaded: You hold your emotions in check, even in tough situations.
  • Reliable: You can always be counted on to do a good job.
  • Detail Oriented: You pay close attention to all the little details.

  • Also known as: Blocker, Hand, Blocker, Heated Metal-Forms, Panama-Hat Blocker, Western-Felt-Hat Blocker, Wool-Hat Blocker

    How to become a Hand Blocker

    Hand Blockers generally graduate from high school and get on-the-job training. Think about earning a Certificate or Associate’s degree to increase your chances of finding a good job. Check out these schools offering Hand Blocker-related education!
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