Patent attributes
A tool head includes a connecting component, a driving component, and a spacer. The connecting component includes a receiving end defining a tight-fit section and a non tight-fit section. The driving component is insertably fitted in the receiving end of the connecting component, and includes a body defining first and second engaging sections. The second engaging section is received in the non tight-fit section. The spacer includes first and second tight-fit edges, with the first engaging section tightly fit in the tight-fit section by the spacer, with the first tight-fit edge tightly abutting against a wall delimiting the tight-fit section, and with the second tight-fit edge tightly abutting against a wall delimiting the first engaging section, respectively.
