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The head width of the conventional product (NBR390 series) of 30 mm has been shaped up by 4 mm to improve efficiency and ease of use for work in narrow spaces. Further deepened ease of use.

The head has been downsized, made lighter, and optimized in terms of balance to make the ratchet handle even easier to use.

Equivalent strength to conventional ratchet handles has been achieved in spite of its compact size by employing a precision 8-step claw.

The union mechanism prevents the socket from unexpectedly coming off the ratchet unless the push button is pressed.

Repair kit (NBR390A-K) is available.