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    What People Are Saying

    Excellent Value
  • Norman
  • 02/20/2016
  • As a teaching tool, these knife switches are an excellent value. They are basic knife switches well suited to wiring simple circuits for demonstration purposes, such as light circuits using batteries or low voltage power supplies, and they can be quickly changed within a circuit. The base is plastic, and they are very lightweight, so they can be a little bit "floppy" while you are working with them. However, if that is a problem for you, they do have holes for screws that will allow them to be mounted to a more stable wooden base. Because of their lightweight construction, as well as safety concerns, I definitely would not use these in any application involving high voltage or current. When used for their intended purpose, these switches are sturdy enough to last a long time, and the price is right!
    Yes!!
  • Mandy
  • 12/04/2015
  • Reading my children's science experiments was somewhat overwhelming. Some of the items needed I had never heard of. I felt so happy to find everything I needed all in one place and such a great price! Once I got the knife switch in the mail I understood how simple it was to use. Science really is fun!! Home science tools is highly recommended! A+!!
    good
  • Marcie
  • 12/04/2015
  • Good quality switch. Easy to use and good size. Perfect for all ages of students.

    reward points

    Switch, knife type, SPST

    Ages 8+

    Item# EL-SWITCH2

    $2.15 in_stock

    In Stock

    Order now to ship Monday, 08/21. Express shipping is available.
    Product Overview
    Single throw, single pole knife switch. Has screw terminals to connect wires.

    Quantity Pricing

    Save big when you purchase at the quantity levels shown below!


    QUANTITY 1 - 9 10+
    PRICE $2.15 $1.95
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    • Product Details

      Switch, knife type, SPST

      Single throw, single pole knife switch. Has screw terminals to connect wires.

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