Date: 11/29/1999 Views: 6394
Date: 10/03/2005 Views: 2942
Date: 07/11/2014 Views: 4643
Date: 08/23/2023 Views: 86452
Date: 05/23/2007 Views: 532988
Looks like more in this photo, but it's about 1/8". Note the use of black marker to gauge how much to remove and where.