Date: 08/28/2005 Views: 7210
Date: 12/11/2007 Views: 5537
Date: 07/25/2009 Views: 8160
Date: 08/23/2023 Views: 804412
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!