Originally Posted By: Dave K
This one (looks like 12 is out of stock but 20 is in stock)?, I have had mine for several years seems to work fine,for the money its well worth it.




I've got one just like this, with two tips. I can measure 12, 16, 20 and 28 ga bores/chokes (sorry, no .410). It's accurate and easy to use. Just remember to turn it off when you're done, or you'll drain the battery!


Like the 28 Ga? Check it out:

28 Ga. Society