The chucks that work with this hammer drill are of the keyless kind. Since it runs on a cord, you get more constant power than with a battery.
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Bosch Bosch TRAPANO ELETTRON.PERCUSS. 600W GSB13RE
The product is available from £63.07 at international stores.
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Driver Drill BOSCH GSB 13 RE 600 W
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Driver Drill BOSCH GSB 13 RE 600 W