Date: 05/10/2005 Views: 6469
Date: 09/26/2009 Views: 6266
Date: 08/27/2006 Views: 6573
Date: 08/23/2023 Views: 830871
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!