Jumbo 24" Aluminum Slide Caliper - SAE and Metric | 
| Brand: HI
Category: Home Improvement
List Price: $29.99
Buy New: $17.99
You Save: $12.00 (40%)
Avg. Customer Rating:  1 reviews
Sales Rank: 32445
Media: Misc.
MPN: 01410
Promotion: Get free shipping on this item when you spend $100.00 or more on Qualifying Items offered by Jack's Tool Shed. Enter code GR8TOOLS at checkout. Terms and Conditions
Availability: Usually ships in 1-2 business days
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| Features:
| • | Large 24" slide caliper for professional and do-it-yourselfer applications | | • | Lightweight and rugged aircraft-aluminum body, moisture, fluid and corrosion-resistant | | • | Gives both Metric and SAE measurement readings | | • | Measurement gradations of .05mm, 1/128" | | • | Machine-grooved easy-roll thumb wheel, position lock mechanism |
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| Editorial Reviews:
Product Description
Precision professional tool in hard-to-find 24" aluminum version. Grooved 0.15" full-length channel on reverse. One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.
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| Customer Reviews:
Fantastic tool for when you need it May 27, 2007
... This worked out as well as I had hoped. Allowed me to get accurate measurements in areas it would be difficult to use a tape measure, or where standard calipers were simply too short. Anyone who has ever tried to cobble together an accurate measurement of an open space with two rulers or, worse yet, a ruler and some other pre-measured object, will recognize how handy this tool is.
... A tape measure will do for some people, but for some purposes, the tape enters fudge factors and uncertainties that will have you designing something that won't fit properly.
... Only drawback... I can't figure out how I'm supposed to take advantage of the 1/128" or .05mm graduations. I am assuming that is my own lack of familiarity with tools such as these, but some simple instructions would have been helpful. I assume the manufacturer expects customers buying a product as specific as this to know how to use it.
... UPDATE: While showing this to a machinist, he pointed out the simplicity of the graduations. I don't have it in front of me, or a decent-sized picture, but when between two normal hash marks, which ever graduation lines up with a hash mark, that's the number of 128ths of an inch that get added to the measurement for fine resolution.
... VERY handy tool, but watch what you use to clean it. Hash marks are not engraved, and certain solvents could remove them, and if you lose writing, you lose usefulness.
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