Date: 11/29/1999 Views: 6571
Date: 07/08/2008 Views: 5319
Date: 10/30/2007 Views: 7226
Date: 08/23/2023 Views: 725976
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!