Date: 12/31/1969 Views: 4354
Date: 02/18/2007 Views: 3462
Date: 07/15/2009 Views: 2645
Date: 08/23/2023 Views: 200864
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!