Date: 01/17/2004 Views: 6815
Date: 02/15/2009 Views: 7166
Date: 04/26/2008 Views: 3945
Date: 08/23/2023 Views: 772499
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!