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Kowabonga! Magnets
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Hard to separate, and then they keep jumping back together, on account of they have the strength of ten in their tiny bodies. This set is a 25-piece grouping of neodymium (rare earth) magnets, including a dozen 3/16" long x 3/16" dia brass-colored cylinders, a half-dozen 3/16" dia balls, and (7) 3/8" long x 3/16" square plated pieces. The largest have approx a pound and a half of pull, which is where the kowabonga! comes in. Includes a clear-plastic storage tube with rubber end caps.
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93060 SUPER MINI MAGNETS |
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Cylindrical Lift
A good alternative for when you need to fit a magnet into a little hole, like in a door closure. These neodymium magnets are 13/32" dia x 19/32" long, with approx 4 lbs of lift. Cute and useful. Sold in packages of (2) or for larger savings try the package of (20).
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37403 4-LB CYLINDER MAGNET |
The Mother Of All Fresnel Lenses
It came from either outer space, or a projection TV. Our largest Fresnel lens measures 49-1/8" x 37-1/8" x 1/16" or 1/8" thick, with a 42" focal length. Build your own lighthouse or projection TV, teach optical properties to students, or just turn your 21-inch model into one with a tavern-size picture. Held in the sun, the lens will concentrate rays enough to cook eggs or torch lumber. And, under adult supervision in the parking lot, employees of a certain un-named scientific and surplus purveyor actually melted pennies in seconds. Extremely cool and done strictly, we assure you, to determine the lens's focal length. Do not, we shouldn't have to remind you, store this puppy in direct sunlight. Or let the underage or under-mature sneak it into the sunlight.
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37930 HUGE FRESNEL LENS Note: This item is not eligible for Expedited Shipping or delivery to Alaska, Hawaii, or the Territories. |
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Step On It
Perfect for hands-on hobbyists. Foot-pedal speed controls free up your paws to do the real work. This one's for 120VAC devices, and ideal for machines using approx 200W or less. Measures 5" x 3" x 2-1/4" tall, with a 6-foot cord that plugs into the wall and a grounded female plug for your sewing machine, rotary tool, scroll saw, or, if you really make a lot of banana Daiquiris, blender.
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93239 FOOT PEDAL |
How Hot Is It?
Point this puppy at HVAC, industrial hygiene or other equipment, and find out. From Sper Scientific, this pen-type infrared thermometer has a range of -27°F to 428°F with 0.5° resolution, or -33°C to 220°C with 0.2° resolution. Accurate ± 2.5% or 2.5°C, whichever is greater. Pocket-clippable at 6" long x 1/2" dia, it also has a white LED with a latching push on/push off switch. Includes (1) "AAA" battery for the LED and (2) button cell batteries for the thermometer. A good-looking brushed steel and aluminum, it comes in a brushed steel case. Useful from the lab to the kitchen, and fun, CJ says, for adults of all ages.
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93392 IR THERMOMETER |
RARE FIND!
Rare earth magnets are usually killers for their size, and these thick discs are no exception. The price, on the other hand, for (3) 7/16" dia x 1/4" 5-lb lift or (2) 9/16” dia x 3/16” 8-lb lift magnets each stored on a 2" dia steel disc, is a rare exception.
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93463 MAGNETS, SET OF 2 | |
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92042 MAGNETS, SET OF 3 |
Liquid Lock
Call it the anti-WD-40, and don't put it on a bolt unless you're serious about its staying put. Prime-Lok Stud and Bearing Formula 275 is a 1/5 fluid oz (6ml) tube of high-strength thread-locking goop, rated to 3000 psi after a 3-hour cure. Made in the USA by VersaChem".
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38608 PRIME LOK |
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