Made of clear rigid plastic, transparent and durable. Not easy to snap, long time guarantee!
Transparent protractor allows you read the scale easily. Clear scale provides accurate measurements.
This protractor measures 0 to 180 degrees left to right and right to left, and the minimum accuracy is 1 degree.
1. Do not scratch the protractor with sharp objects intentionally.
2. Please keep the protractor away from fire or high temperature.