Date: 01/23/2006 Views: 5138
Date: 11/27/2013 Views: 10435
Date: 10/11/2009 Views: 5131
Date: 08/23/2023 Views: 803842
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!