Ruled straight edge w/fixed right angle. Used to lay out and measure squared lines, This one is 24" on one side and 16" on the other.
Home Repair Resource Center
http://hrrc-ch.org/toollibrary/
2520 Noble Rd.http://hrrc-ch.org/toollibrary/
Cleveland Heights, OH, 44121
USA
(216) 381-6100