Cast Iron
Strong l-beam design cored and ribbed for rigidity and lightness.
Quality close grained castings specially treated for stability.
Precision accurate in tenths.
Precision ground surface finishes of 15 RMS or better.
Aluminum
AT less than half the weight of cast iron these aluminum straight edges combine light weight convenience with wear qualities.
For storage and transport specially fitted, cushioned cases are available at additional cost.
Aluminum Parallel Straight Edge
