Y1 Bump Key

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Precision bump key for Yale 5-pin cylinders. Lock bumping works by exploiting the brief moment when all driver pins simultaneously jump above the shear line - a split second of opp ortunity you create with a single sharp strike. Getting that window requires a bump key cut correctly for the target keyway. Our Y1 bump key is precision code cut for the Yale keyway standard, giving you consistent, reliable performance every time you strike. Y1 Bump Key - Yale Keyway Fits Yale 5-pin lock cylinders Precision code cut for superior bump performance Pair with a bump hammer and rebound rings for best results Show more