Date: 08/09/2009 Views: 7543
Date: 12/31/1969 Views: 6650
Date: 03/22/2010 Views: 5269
Date: 08/23/2023 Views: 711461
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!