If you’ve pulled everything out from under your kitchen sink and discovered small, dense metal balls (usually steel or lead-colored, about the size of a marble or cherry tomato), don’t panic—and don’t throw them away!
They’re almost certainly counterweights from your kitchen cabinet hinges, and they serve a very specific purpose.
🔍 What Are They?
These metal balls are hinge counterweights, commonly used with full-overlay or soft-close cabinet doors—especially on larger, heavier doors like those for sink base cabinets, pantry doors, or appliance garages.
Brands like Blum (a leading European hardware manufacturer) use these in their “Blumotion” or “Tandem” hinge systems. The counterweight helps balance the door, ensuring it:
Closes smoothly and quietly
Doesn’t swing shut too fast (or too slow)
Stays aligned over time
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