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Nakanishi NSK ERG-01B Espert 500 1/4 Speed Reducer Reduction Gear Attachment Miland Years of metallurgical research producedThe NSK ERG 01B is a precision speed reducer attachment designed exclusively for use with the NSK Espert 500 system. This reduction gear attachment installs between the motor and the handpiece attachment, delivering lower rotational speeds and significantly increased torque for applications that demand greater control and power at reduced RPM. The ERG 01B reduces maximum operating speeds by one quarter, making it ideal for tasks where high speed