Description: 
180 Degrees Angle ruler Adjustment type Semicircle indexing gauge

Specification:
Weight: 0.25KG
Length: 300 (mm)
Measuring range: 180 Degree
Material:Stainless Steel

Features
Made of stainless steel high durability 
Precise scale  and high measure accuracy
Light weight， easy to carry and easy to use

Package: 
1× Protractor