Date: 12/31/1969 Views: 2604
Date: 01/23/2006 Views: 3669
Date: 12/31/1969 Views: 1900
Date: 08/23/2023 Views: 82821
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!