STM Rectangular Head Protractor With 6″ Arm, Material: Tempered Steel, Model Number: 5170, 606150
- Head Type: Rectangular
- Blade Length (Inch): 6
- Maximum Quantifyment (Degrees): 180
- Quantifys angles from 0-180° in opposite directions thus permitting reading an angle directly and also its supplement
- Used for drawing radial lines, transferring angles and setting bevels
- Head measures 3-5/16″ x 2″
- Attributes 6″ arm and knurled thumb lock nut
- Blade secured firmly by lock nut at any angle
Technical specs
- Material: Tempered Steel
- Model Number: 5170





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