Date: 12/16/2013 Views: 13154
Date: 12/31/1969 Views: 3544
Date: 01/24/2013 Views: 18978
Date: 08/23/2023 Views: 818749
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!