Lot of (2500) Torx drive flat head wood screws.
These yellow zinc plated screws are #9 size and are 2-1/2" in length with a type 17 tip.
The type 17 tip is a thread cutting screw for wood with an auger style point that helps clear chips and reduce splitting.
These screws also feature countersinking nibs under the head for a clean installed finish.
Driver bit is also included.