The HP Bracket Kit L77275-001 is a set of laptop brackets listed for the HP ProBook 450 G7. It is intended for service work involving the brackets around several internal components and ports.
The kit includes a fingerprint sensor bracket and a thermal bracket, along with brackets for the USB Type-C port and RJ-45 network jack. HP’s service guide also references the USB Type-C and RJ-45 brackets in its system board removal procedure, making the part relevant to that repair context.