Weems & Plath #104 Professional Protractor Triangle

The Professional Protractor Triangle With Handle Is Larger Than Other Navigation Triangles On The Market, With Sides That Are 9-1/4 Inches (23.50Cm) Long And A Hypotenuse (Long Side) 13-Inches (33.02Cm) Long. Its Clean, Uncluttered Design Is Inscribed With Contrast Enhancing Colors (Red & Black) That Display Both 320Mm & 1-80,000 Scales. A Hole Located At The Vertex Allows The User To Convert The Protractor Into A Quadrant To Measure Alttitude Or Angle.The Triangle Is Constructed Of Heavy Duty Clear 5 Mm Thick Acrylic For Durability, With A Handle For Ease Of Use. The Handle Also Holds A Pencil, And Both Pencil And Pencil Sharpener Are Included.