Pallet fork
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Pallet fork
The pallet fork or pallet lever is an integral component of the lever escapement of a typical mechanical watch. The pallet fork has two jewels; which are called the entry and exit pallets. The jewels interact with the escape wheel and the pallet interacts with the impulse jewel on the balance wheel.
On lower priced mechanical watches, non-jeweled pallets were often employed which substituted vertical pins for the jewels, hence the name "pin-lever escapements".
