Incra IRSET12 12-Inch Marking Rule Set
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- Rule Set that lets you mark precisely where you want
- Micro-fine holes at every scale position
- Perfectly placed horizontal lines with dead-on accuracy
- Guide slots wrap around any edges
- Helps you draw perfectly placed horizontal lines
Instead of squinting at that blur of lines along the edge of your old steel rule, the Incra 12-Inch Marking Rule Set, lets you mark precisely where you want with zero uncertainty and no eye strain. Incra has re-invented the steel rule by putting micro-fine holes at every scale position (every 1/16-inch and 1/32-inch) to instantly locate a sharp pencil or scribe exactly on target. Using a T-square this guide draws perfectly placed horizontal lines with dead-on accuracy, with guide slots that wrap around any edges.
Title: Incra IRSET12 12-Inch Marking Rule Set
Sales Rank: 10298 in Tools
Manufacturer: Incra, Model: IRSET12
Item Dimensions: 204.12 unknown-units
Package Dimensions: 13.9 x 6.8 x 0.1 inches, 0.35 pounds
- Fantastic Product!
- I would highly recommend this product to anyone looking for accuracy and quality. I was actually surprised at the quality vs. price; and as always Amazon delivered on time without any hassles or delays. Some people claim the Incra precision protractor's are flimsy, but I didn't find this to be true. Make sure you have a 0.5 mm lead pencil though, because More reviews
- Good, but too fragile
- These would have been 5-star, but the metal is so thin (almost paper-thin) that it can be bent easily. And if a tool won't hold up, that's two stars to me. If you can treat them very delicately then this is a great product. More reviews
- Great Ruler
- This is one of the best ruler sets I have used it is very accurate and easy to use. The design makes them very accurate and easy to use.
One issue I have had is that they are so accurate (to the 1/64) that I have to wear glasses to see which mark I am using. The ruler is well marked and easy to read but More reviews
- I'm hooked on Incra "Mania"
- I first bought the Incra TSIII-32 table saw fence. I became indoctrinated into the Incra system. One that creates unbelievably accurate results with the least amount of effort. When I tell others that my fence-table saw is adjusted so that I can cut any size board, take out a dial caliper and it is accurate to .002", then get mad at me and tell More reviews
- Best on the market.
- I calibrate measurement tools for a living and it's not very often I'm impressed by tools in this price range. I also almost never give anything 5 stars. These are the exception.
No measuring device is "exact" but, after calibration, I found these to be as accurate as rulers costing 5 times as much. Also, the aluminum bar is amazingly repeatable. I found that removing and More reviews

