| Click for Details 1 | Click for Details 2 | Click for Details 3 | Click for Details 4 | Click for Details 5 |
Click for Details 6 |
||
|---|---|---|---|---|---|---|---|
| Model | CHA238 | CHA240 | STD9871831 | STD9871931 | STD9871934 | STD9871834 | |
| Adjustability Features | To 1/16, 1/8, 1/4, 1/2, 1:1 and 2:1 | To 10, 20, 40 and 50 parts to the inch | -- | -- | -- | -- | |
| Color(s)/Materials | Solid aluminum | Solid aluminum | White plastic | White plastic | White plastic | White plastic | |
| Color-Coded | -- | -- | Grooves | -- | -- | Grooves | |
| Length | 12" measuring length | 12" measuring length | 12" | 12" | 12" | 12" | |
| Scales/Description | 1/32" Triangular scale | Triangular Scale | Open divide: 3/32,1/8,3/16,1/4,3/8,1/2,3/4,1,1-1/2,3"=1 foot | Open divide: 3/32,1/8,3/16,1/4,3/8,1/2,3/4,1,1-1/2,3"=1 foot | 6 scales total on three sides | 6 scales total on three sides | |
| Application | Architects | Engineers | Architects | Architects | Engineers | Engineers | |
| Special Features/Suggested Use | Change units by rotating dial at either end of scale | Change units by rotating dial at either end of scale | Full divided inches to 16ths | Full divided inches to 16ths | Full divided: 10, 20, 30, 40, 50, and 60 parts to the inch | Full divided: 10, 20, 30, 40, 50, and 60 parts to the inch |