Brass spacer for use with HW5197 on Source 4 Fixtures.
This item goes with the fixture screw: https://shop.etcconnect.com/fixture-screw/
Shows on packing slip as: SPCR .251 ID x .281 OD
If you need to purchase a larger quantity, please contact your local dealer, or reach out to ETC Customer Service if you are a dealer or representative.