Date: 06/22/2009 Views: 4810
Date: 10/27/2009 Views: 6801
Date: 12/31/1969 Views: 3964
Date: 08/23/2023 Views: 704658
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!