Click for larger image and other views

How can we improve our images or Product Specifications?

Starrett 491-18-4R Reversible Bevel Protractor With Black Wrinkle Finish, 4R Graduations, 18" Size

Be the first to review this item


Specifications for this item
Number of Items
Part Number
Brand Name
System of Measurement

This item is no longer available

This item ships for FREE with 2-Day Shipping on orders over $50. (Details)

Want it delivered on Wed, Apr 22? Order in-stock items in the next 4 hrs 55 mins and choose One-Day Shipping at checkout.

  • Share

This item has already been added to

Update Quantity Cancel

Select a List Create New List

You can add a description later

Key Features

  • Regular Blade Finish; graduations: No. 4R: 1/8", 1/16", Quick Reading, 1/32", 1/64"
  • Direct reading 0-180 degree in opposite directions, permitting the direct reading of angles and supplementary angles
  • Protractor heads are made of stable cast iron and finished with a choice of attractive black wrinkle finish; tempered steel blades with accurate, machine-divided graduations
  • Reversible lock bolt allows choice of which graduated side of the blade faces the operator
  • A spirit level indicates when the base reference surface is level-a feature not usually available on comparable rotractors

Package Details

Shipping Weight: 1.8 pounds
Package Size: 18.4 x 5.9 x 1.4 inches

Product Description

A spirit level indicates when the base reference surface is level a feature not usually available on comparable protractors. Since the protractor heads and blades are furnished with combination square sets, individual protractor heads or blades can be ordered separately.

How can we improve our Product Description?

Customer Reviews

There are no customer reviews yet.

Be the first to review this item

Go to the HomePage

Order by Phone
M-F 8am-10pm ET, Sat-Sun 8am-5pm ET 800-220-4242

My Account| Returns| Help

Website Feedback| Contact Us| Sell on AmazonSupply| Become an Affiliate

Privacy Notice| Conditions of Use

Follow Us 

© 2015, Inc. and its affiliates.