A magnetic bit-holder bracelet device intended to be worn by a user on his wrist and to hold screwdriver or similar bits includes a bracelet made of plastic, that can be attached or fixed to the wrist, incorporating, over all or part of its circumference, a row of pockets and holder cavities built into the bracelet, each formed by one of the pockets or attached to the bracelet, each in one of the pockets and able to house axially, and removably, one of the bits, the blind end of each holder cavity having a magnet able to apply a magnetic force of attraction to the bit concerned in order to retain and hold it in the relevant holding cavity.