Date: 04/15/2006 Views: 6167
Date: 04/15/2006 Views: 6755
Date: 06/16/2009 Views: 4535
Date: 08/23/2023 Views: 693395
Straight edges. Ones on left with holes have cork backing, keeps straight shape better. Without cork better for checking curves. Besides Isopropynal removing witness marks on Andair gasculator, it also does a fine job on some rulers!