• Banana Jack Long, Solderless (One Pair)

    Banana Jack Long, Solderless (One Pair)

    Long Banana Jack is a panel-mount socket for 4mm banana plugs with up to 20 mm (1 inch) long pin. Can be mounted on metal surfaces with up to 2 mm, and plastic or wood surfaces with up to 5 mm thickness. It mounts on a 8mm hole. The overall length is 25...

    $4.00
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  • Banana Plug, 20 mm Pin, Solderless (pair)

    Banana Plug, 20 mm Pin, Solderless (pair)

    Banana plug, consisting of a cylindrical metal pin about 20 mm long, with a diameter of 4 mm, which can be inserted into a matching 4 mm socket to make an electrical contact. The pin has one or more lengthwise springs that bulge outwards slightly. These...

    $2.00
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  • Bar Magnet, Painted, ALNICO5

    Bar Magnet, Painted, ALNICO5

    These bar magnets measure about 1/4" x 1/2" x 3" (72 x 12 x 6 mm). The magnets are made of Aluminum (8%), Nickel (14%), Cobalt (24%), copper (3%) and Iron (51%) which makes for a super strong and high quality magnet. Alnico bar magnets can be used with...

    $9.00
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  • Basic Analog Multimeter

    Basic Analog Multimeter

    MF133 is a basic personal multimeter for home or office uses. This is also the most common multimeter for students and it often comes as a part of educational science kits related to electricity.  Size(HxWxD):100mmx64mmx33mm Weight:95g 

    $9.00
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  • Basic Gyroscope

    Basic Gyroscope

    The gyroscope has been a classic educational toy for generations. It continues to fascinate young and old alike with its mysterious force that seems to defy gravity. Each gyroscope comes with starting string, pedestal and instructions for several amazing...

    $9.00
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  • Basic Lens Set, 38 mm, 6 lenses

    Basic Lens Set, 38 mm, 6 lenses

    Set of 6 lenses with outer diameter of 38mm. This lens set includes samples of double convex, double concave, plano concave, plano convex and concave convex lenses. Lenses come in a plastic case. Additional Description Includes one of each: Double...

    $15.00
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  • Battery Connector, 9-V Deluxe

    Battery Connector, 9-V Deluxe

    PBC9VD is a Delux 9-Volt battery connector with hard shell for ease of use and durability. This battery connector has a pair of red and black lead wires that are stripped and tinned 5 mm on the ends. The connector back is covered with white hard plastic...

    $1.80
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  • Battery Connector, 9V

    Battery Connector, 9V

    PBC9V is a battery connector for 9-volt batteries. This battery connector has a pair of red and black lead wires that are stripped and tinned 5 mm on the ends. The connector back is covered with black vinyl for additional protection and safety.See...

    $1.70
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  • Battery Connector, Simple

    Battery Connector, Simple

    PBC9VS is a simple battery connector for 9-volt batteries without vinyl cover. This battery connector has a pair of 6-inch long, red and black lead wires that are stripped and tinned 5 mm on the ends. The connector back is not covered so that you can see...

    $1.60
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  • Battery Holder, 1AA, Plastic, with wires

    Battery Holder, 1AA, Plastic, with wires

    Plastic battery holders with wires for AA size batteries. Each battery holder has one red and one black connection wire that are about 6 inches long each. PBH1AA is marked with + and - signs to show the direction of placing the battery. There is one...

    $1.50
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  • Battery Holder, 1D, Metal

    Battery Holder, 1D, Metal

    This is a metal battery holder that holds one D cell battery. This battery holder has two Fahnstock clips for easy connection of any solid wires from 22 AWG up to 14 AWG. This battery holder does not have any specific direction for inserting the battery...

    $4.50
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