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Weems & Plath Marine Navigation

4.7 4.7 out of 5 stars 344 ratings

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Aluminum Arms

Product Description

This plain edge protractor is suitable for plotting courses and bearings. Notations can be made directly on the matte plastic surface with a pencil. Constructed of durable, transparent plastic. Instructions included. Dims: 5 square. Wt. 2 oz.

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
344 global ratings

Customers say

Customers like the size, value, movement, ease of use, and accuracy of the fishing equipment. They mention that its a reasonable size for most charting, good for the price, and that it moves nicely across the chart. Some appreciate the accuracy, saying that it's very useful for technical drawing. Customers are also happy with quality, and performance.

AI-generated from the text of customer reviews

38 customers mention36 positive2 negative

Customers are impressed with the quality of the marine navigation tool. They say it's well-built and will last a long time. Customers also appreciate the smooth and easy-to-read display.

"Good quality!!!" Read more

"...just buy it, it's the best quality protractor in the world and it'll last a lifetime. I also tested the markings for accuracy and it's spot on." Read more

"Perfect. Easy to read, nice and smooth. Used it for sailing classes and worked perfectly...." Read more

"...Quality plastic thick enough to hold up without being so rigid as to break easily. Clear printing. No moving parts, no wheels...." Read more

13 customers mention13 positive0 negative

Customers appreciate the value of the fishing equipment. They say it's good for the price and well worth the money.

"...100% worth the money. I loved that the edges are squared off, it allows for very precise lines as opposed to cheaper rounded products...." Read more

"Got this in today and feel confident that this is the one of the best value purchasss that I have made in sailing...." Read more

"Good price on these. Mine have held up for over a year and no signs of warping to date...." Read more

"Inexpensive model...for Nav class....then back to electronics" Read more

12 customers mention9 positive3 negative

Customers like the accuracy of the fishing equipment. For example, they say it's great for plotting courses, charting, and technical drawing. Customers are also impressed with the tool's usefulness in plotting positions and offshore race courses.

"Great for plotting and large enough to move to and from Compass rose" Read more

"...Perfect length, great for charting." Read more

"...The ruler kept slipping making it very difficult to plot accurately. I sprayed some silicon on the hinges with eventually helped some." Read more

"...He loves it and says it’s perfect for drawing his charts.! Also, delivery was fast!" Read more

11 customers mention11 positive0 negative

Customers are satisfied with the performance of the fishing gear. They mention that it works well for plotting and navigating, and is brilliant.

"...Easy to read, nice and smooth. Used it for sailing classes and worked perfectly...." Read more

"They work well for plotting but don’t have any markings on them for using as a ruler." Read more

"Great Parallel Rulers and work great, just kind of disappointed I got a set of rulers with the packaging all damaged and destroyed...." Read more

"Works well" Read more

10 customers mention10 positive0 negative

Customers find the fishing equipment easy to use. They mention that it is accurate, helpful if you're holding onto a rail, and handy.

"...this product for technical structural geology work and it was incredibly useful. 100% worth the money...." Read more

"...I like the magnification and the pre-marked lines, making it super easy, and making accurate measurements. Also, appears to be well made...." Read more

"This is something you can easily learn to use. A must for boaters in a situation that you lose nav capabilities...." Read more

"the parallel rules are extremely useful for me when plotting and charting positions as well as determining bearings...." Read more

6 customers mention6 positive0 negative

Customers like the size of the fishing equipment. They mention that it's a reasonable size for most charting, and standup to being in a nav bag. Customers also say that the length is perfect for stowing and use, and that it is not too long for a medium sized chart table.

"...Perfect length, great for charting." Read more

"These parallel rules do the trick superbly. Not too long for a mediium sized chart table, and still able to track from compass rose across a chart..." Read more

"These parallel rules are just about the right length to stow as well as use. They don't slip nearly as badly as others I have purchased." Read more

"Weems & Plath marine navigation parallel ruler is a good size, easy to use and store. The price was quite reasonable" Read more

4 customers mention4 positive0 negative

Customers are satisfied with the movement of the fishing equipment. They mention that it doesn't slip nearly as badly as others they have purchased, the action is smooth, and it moves nicely across the chart. There are no moving parts or wheels, and there are no issues with them becoming sticky or difficult to use.

"...Clear printing. No moving parts, no wheels. No sliding triangles around." Read more

"...No issues with them becoming sticky, difficult to use, or the cork pads on the bottom coming off...." Read more

"...They don't slip nearly as badly as others I have purchased." Read more

"Action is smooth and moves nicely across the chart." Read more

3 customers mention3 positive0 negative

Customers are satisfied with the measurements of the fishing equipment. They mention that it is easy to use and makes accurate measurements. Customers also appreciate the parallel ruler.

"...and the pre-marked lines, making it super easy, and making accurate measurements. Also, appears to be well made...." Read more

"Super accurate and easy to use." Read more

"Excellent Parallel Ruler..." Read more

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Top reviews from the United States

Reviewed in the United States on July 29, 2023
Size: 15-InchColor: Aluminum ArmsVerified Purchase
Reviewed in the United States on August 14, 2023
Size: 15-InchColor: Aluminum ArmsVerified Purchase
Reviewed in the United States on April 23, 2019
Size: 5-InchColor: whiteVerified Purchase
Reviewed in the United States on February 16, 2023
Size: 15-InchColor: AluminumVerified Purchase
Reviewed in the United States on June 1, 2018
Size: 15-InchColor: Aluminum ArmsVerified Purchase
Reviewed in the United States on June 22, 2018
Size: 5-InchColor: whiteVerified Purchase
One person found this helpful
Report
Reviewed in the United States on January 31, 2018
Size: 15-InchColor: AluminumVerified Purchase
2 people found this helpful
Report
Reviewed in the United States on February 10, 2023
Size: 5-InchColor: whiteVerified Purchase

Top reviews from other countries

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MCL
5.0 out of 5 stars Accurate as advertised
Reviewed in Canada on July 6, 2023
Size: 5-InchColor: whiteVerified Purchase
Taichi
3.0 out of 5 stars Not the same as they used to be
Reviewed in Canada on February 19, 2023
Size: 8-InchColor: goldVerified Purchase
James S.
5.0 out of 5 stars Has metric and imperial measurements
Reviewed in the United Kingdom on January 30, 2023
Size: 15-InchColor: Aluminum ArmsVerified Purchase
Jose Luis Cañon Aguilar
4.0 out of 5 stars Calidad
Reviewed in Spain on April 2, 2019
Size: 15-InchColor: Aluminum ArmsVerified Purchase
Max
5.0 out of 5 stars Excellent!
Reviewed in Canada on September 24, 2017
Size: 6-InchColor: goldVerified Purchase