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Worth Springing For

No large ones, but (101) amazingly assorted small extension, compression and torsion springs -- most, but not all, 1" to 2" long. Assorted lengths, assorted widths, assorted finishes, asorta handy bag of replacement parts to have around the house.

92272 101 PIECE SPRING ASSORTMENT
$4.75 EACH

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Attach Anything!

You need this. Anybody who's ever made a third trip to the hardware store on the same day needs this. The (100) -- count 'em, (100) -- chrome vanadium driver and bit attachments include slotted, Phillips, square (Robertson) head, torx, hex and 12-point bits, plus security Phillips, torx and hex, and (4) different driver adapters (one of which, a super-cute cup-hook driver, has us oddly excited). They're all in a flip-top plastic case. How come it's surplus? If you turn it upside down and shake it, some of the bits fall out of their little size-marked slots. So don't do that. Or stick a thin sheet of foam inside it and all will be well.

92581 100-PIECE SECURITY BIT SET
$12.95 EACH

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(Locking) Syringes

Or sort-of-locking. Push the plunger down and they lock in place, but push the 1/8" nipple down on a hard surface and they'll unlock for re-use. Handy in the shop or craft room for oil, grease, paints, and glues. (Also quite useful for getting liquid medication into the dog.) They measure 3-1/2" long x 9/16" dia and hold 5ml, are graduated in .2ml increments, and have threaded tops. Note the throwaway price.

37664 LOCKING SYRINGE
$2.95 PKG(10)
 

Nature Abhors A Vacuum

But science teachers can't work without them. Experiment with this good-quality manual vacuum pump made of durable polychloroethylene plastic. Works with a pistol-grip action and pulls up to 2" Hg. Includes a 17" length of clear vinyl, 1/4" ID tubing, and a release valve.

93305 VACUUM HOME PUMP
$21.95 EACH

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Pocket Microscopy

Good things come in (2) different small packages. Our pocket microscopes are compact and perfect for a clear, close look at stamps, coins, flora, insects or assorted minutiae. The 30X version measures 5-3/4" x 1-5/8" x 3/4" in black plastic with a focus knob, on/off switch, small LED for illumination, and a vinyl carrying case. Requires (2) "AA"s. The 60X version is a microscopic 3-1/4" x 1-3/16" x 3/4" and has a built-in white LED illuminator powered by (3) coin-cell batteries that are included. Magnifies from 60-100X, with coarse- and fine-focus knobs, and has a vinyl carrying case.

on sale 34407 30X HANDHELD POCKET MICROSCOPE
$4.50 EACH (was $6.50)
93252 60X HANDHELD POCKET MICROSCOPE
$7.95 EACH

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RFID-Blocker Sheet

Saves you from info-snatching electronic pickpockets, and from leaning against the gas pump and emptying your bank account. (The downside of Radio Frequency IDentification.) Called the "EMvelope," it's an 8-3/8" x 3-1/2" x .012" thick trim-able electromagnetic sheet (think Faraday cage with a floating ground) that blocks radio frequencies up to 2.4GHz. Cut it to size and slip it in your wallet, or wherever, and protect the data on your credit cards, "fast-pay" devices, ID cards, EZ-Pass, or anything else with an embedded RFID chip, including the new U.S. passports.

93390 RFID ENVELOPE
$10.00 EACH

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Be A Meter Reader

And save a bundle. The "Kill-A-Watt" plugs into a wall outlet and accepts the power line for any devices or appliances that draw up to 1875 watts. Identifies energy eaters, tracks efficiency and costs over time, and checks on your electricity provider by monitoring voltage, current (amps), watts, kilowatt hours, frequency (Hz), volt amps, power factor, and elapsed time. Measures 5-1/8" x 2-3/8" x 1-7/16" with a 1-3/4" x 11/16" LCD screen. You may never use a waffle iron again.

93575 KILL-A-WATT
$27.95 EACH

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Demo Generator Ray-Gun

Flash Gordon lives! Or at least his ray gun lives! This look-alike hand-held dynamo/generator, with a green-plastic crank, is transparent plastic, so the students can see the parts at work. Measures just over 5" long. Comes polarized 22" test lead with black and red insulated alligator clips. Max voltage is approx 7VDC. If you're using a meter, turn the crank CCW.

93599 DEMO GENERATOR
$11.95 EACH

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Ultraviolet Loupe

Didn't she make movies with Andy Warhol? Never mind -- this one is a very nice 10X illuminated UV jeweler's loupe in teardrop housing with a small loop for a chain. Measures 1-3/4" x 1" x 1" with a pair of UV LEDs and a power switch. Two button-cell batteries are included, along with a tiny wrench to open the housing to replace them. Comes in a 2-1/2" x 1-1/4" x 1-3/4" plastic storage box.

93849 UV LOUPE
$6.50 EACH

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