If it is for a job for with you work as an "employee"
receiving a W-2, and they are not reimbursed to you, then you can deduct them
as an Unreimbursed Employee Business Form 2106. It goes on
Schedule A Itemized Deductions in the Misc section subject to a 2% of Adjusted
Gross Income threshold. If you itemize deductions (as opposed to the
Standard Deduction) , and your expenses are high enough, it may benefit you.
Where do I enter job-related employee expenses? (Form
2106)
https://ttlc.intuit.com/replies/4800418
How does the itemized
deduction differ from the standard deduction?
https://ttlc.intuit.com/replies/3302313
What's my standard
deduction?
https://ttlc.intuit.com/replies/4208574