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This 6½" compass has a smooth-action, rapid adjustment feature, durable cast zinc construction, black fiberglass crown, and reinforcements.
It features double knee joints for parallel leg positioning and precise drawing of large radii. It will make circles up to 12" in diameter; with the beam bar extension, draw circles up to 25" in diameter.
This is a durable and economical compass for introductory level drafting or drawing. It comes packaged in a protective plastic case with spare lead.
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® Alvin is a registered trademark.
(based on 6 reviews)
of respondents would recommend this to a friend.
Reviewed by 6 customers
Displaying reviews 1-6
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Outstanding customer service
By Cathy Ann
from New Braunfels Texas
Comments about Alvin Speed Bow Compass with Beam:
I am learning to write religious Icons. I needed the Alvin Ink tip compass for a current project. Your company had the product and I received it the next afternoon. Excellent product and amazingly fast delivery.Thank you.
Bottom Line Yes, I would recommend this to a friend
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from Union City, CA
I bought this compass to draw large circles using the beam feature. I cannot get the beam firmly attached to the compass. It wobbles no matter what I do. With the wobble I cannot draw consistent radii. I am not happy with this product.
Bottom Line No, I would not recommend this to a friend
Merchant response: We are sorry to hear that your compass is defective. Our Customer Care team would like to help you with a return or exchange. Please give us a call at 1-800-723-2787.
Alvin Speed Bow Compass with Beam
By Larry the Seeker
from Barboursville, West Virginia, USA
Great bargain, and great quality for the price. With the beam, you can make larger circles. This is a great addition to the basic compass.
A fairly decent beginners compass
By First time clock builder
I'm in the process of building a wooden clock and bought this compass to assist in laying out patterns on the wood.Over all, quality is good. The best part is the trammel on the beam tightens up nicely with a minimal amount of torque on the adjustment screw. Curiously, the spring and slug were assembled upside down inside the trammel but this was easy to fix. Make sure the slug is in contact with the beam with the spring above it and not the other way around.The main adjustment screw also works well and the set screws (plastic) do a decent job holding the compass at a specific radius. So far, no problems with the radius shifting while drawing a circle.My only complaint is the plastic knee joints do not tighten up enough. In particular, there is quite a bit of wobble when using the beam and it tends slip out even with the adjustment screw fully tightened. I briefly considered returning the compass because of this but it can probably be fixed with either a small washer on the set screw or a brass tube inside knee.Although I would recommend this to a friend, I would recommend the variant without the beam unless they're wiling to take the time to tighten up the knee joints.
from Carrollton, TX
Wow, this compass is very solid compared to my dad's old compass. It's steel, and part plastic, but holds up well. The leads are pretty cheap. Just remember to buy a sandpaper file to sharpen the graphite leads.
(1 of 1 customers found this review helpful)
Alvin compass with beam
from Citrus Springs Florida
Short of trammel points, this product is great, with the extention beam, this suits my uses perfectly. With quick change points and a solid micrometer wheel. Perfect
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