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Round Top Protractor #19

Item #
92% of 100
This durable angle gauge features a hard-chrome, half-round head with right- andleft-reading scales to 180°. Its pivoting arm moves smoothly and extends roughly sixinches from the head.

  • Great for angle-reading
  • Ideal for scribing
  • Durable knurled lock-nut secures the blade at any angle
(1) Round Top Protractor #19
More Information
Brand Shinwa Measuring Tools
Manufacturer Part Number 31745
Weight 0.1500
Tech Spec
  • Angle reading plate width: 3-1/2"
  • Angle reading plate height: 2"
  • Arm length (overall): 7-3/4"
Discountable Yes
Style Protractor
4.6 / 5.0
10 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
protractor 19
works for my uses
April 1, 2019
11 months ago
Woodworking Experience:
It is a great product.
I love it use it all the time.
March 30, 2018
1 year ago
Perfect size and thickness. Quality look and feel. Well done.
I was expecting less considering the price point, but was surprised at the look and feel of the stainless steel. I can't think of a way to improve product.
March 5, 2018
Woodworking Experience:
Indispensable tool for creating the perfect angle in your woodworking projects.
February 19, 2018
over 2 years ago
Great for measuring Angle on my Bowl Gouges
I use this to check my angle grind on my bowl gouges and included angles on my skews. For me a must have. I would recommend.
December 11, 2017
over 3 years ago
Woodworking Experience:
Works great!
September 25, 2017
over 2 years ago
Works great. Easy to read.
May 16, 2017
over 2 years ago
Woodworking Experience:
Works great
Works great.
April 13, 2018
1 year ago
Woodworking Experience:
Very Helpful Tool.
Appears very well made. Solid, with little movement once degrees have beed set. Instructions were very poorly done, although not a lot of instructions should have been needed.
February 28, 2018
over 2 years ago
Woodworking Experience:
I had and lost a square top protractor. The square top is much more universal than the round top, having 6 surfaces to work with vs, 3.
March 1, 2017
over 3 years ago
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Why did you choose this?
Rockler Store
Need something for marking angles.
Jean K on Jan 5, 2020
needed a simple way to duplicate angles
Bill D on Nov 27, 2019
Need something for marking angles.
Jean K on Jan 5, 2020
To determine angles for framework.
Kevin I on Dec 20, 2019
needed a simple way to duplicate angles
Bill D on Nov 27, 2019
Need one
Al G on Nov 18, 2019
Simple and solid looking
Chris S on Aug 6, 2019
checking chisel angles
Mark B on Feb 28, 2019
For quick angle info
steven K on Feb 22, 2019
I need a quality protractor for project layout.
John P on Feb 14, 2019
Useful tool
Josh J on Dec 31, 2018
on my son's Christmas list
pennifred h on Dec 11, 2018
Making a jig to set angles for my plane and chisel blade honing guide. I'm sure it will have lots of other uses too.
NATHAN S on Aug 23, 2018
Needed for project,reviews good.
Alan C on May 8, 2018
Needed to set up jigs for table and bandsaw.
Lynn J on Mar 20, 2018
always wanted one
D S on Mar 1, 2018
come in handy when needed
Floyd B on Feb 19, 2018
Seems to fit a need I have when I work on different projects. Hope it works like I hope it will
Peter C on Feb 19, 2018
I'll use this protractor to mark angles on cuts too small for the miter saw that I'll cut by hand. I'll also use this to transfer unknown angles from existing pieces that I want to replicate.
Don B on Jan 29, 2018
On husband's Christmas list.
Carol F on Dec 6, 2017
Just love measuring tools!
Paul P on Jul 24, 2017
saw it and just wan'ted one
Darrell C on Jan 22, 2017
JAMES K on Oct 1, 2016
I got tired of transferring angles with a T-Bevel to measure with my speed square
Stephen S on Jul 7, 2016
I needed an accurate protractor for carpentry and metalwork. This item seemed a solid value.
LESTER V M on Jan 18, 2016
This was on my husbands Christmas List. His hobby if furniture making.
Katharine S. W on Dec 19, 2015
Convenient way to measure angles.
James N on Nov 23, 2015
need to establish correct angle on chisels and plane irons. Lee Neilsen suggested it.
Daniel M on Oct 29, 2015
Measure grind on gouges
John on Oct 4, 2015
Need for a future project
Charles S on Apr 20, 2015
To determine angles for framework.
Kevin I on Dec 20, 2019
Need one
Al G on Nov 18, 2019
Need it to make and cut a 15 degree angle. Do I still put the "standard mark" on the15 degree mark? Not sure what to use for the line for that small an angle. Do I still come off the same side of the arm even though there is no angle showing, as when you go for a higher degree of angle?
Judd K on Feb 12, 2018