Date: 04/16/2005 Views: 4658
Date: 09/20/2008 Views: 4452
Date: 02/26/2011 Views: 7118
Date: 08/23/2023 Views: 693738
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!