Date: 10/09/2010 Views: 8554
Date: 05/31/2013 Views: 8654
Date: 10/27/2011 Views: 10894
Date: 08/23/2023 Views: 816421
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!