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...

Contact Key, Tapping Key, Telegraph Key, Morse Code Key,

Contact Key also known as Tapping Key. Used in Morse Code experiments and can also be used as a simple on/off switch. Mounted on a bakelite base. All metal parts are nickel plated brass. Dimensions: 11 cm x 5 cm. Includes two contact screws/ knobs to...

Knife Switch DPDT with Brass Screws

This is the original design DPDT (Double Pole Double Throw) knife switch with brass screws. Traditionally it has been used in many vintage equipment but now is mainly used for education purpose. Orders of 10 and more receive bulk pricing discounts...

Knife Switch DPST with Brass contacts

This is the original design DPST (Double Pole Single Throw) knife switch with brass screws. Traditionally it has been used in many vintage equipment but now is mainly used for education purpose. You can use it to turn off and on two different devices or...

Knife Switch SPDT with Brass Screws

This is the original design SPDT (Single Pole Double Throw) knife switch with brass screws. Traditionally it has been used in many vintage equipment but now is mainly used for education purpose. This switch is also known as a three-way switch. It is...

Knife Switch, DPDT, Deluxe

This Knife Switch is double pole double throw with screw type binding posts. Includes 3 screw holes for mounting on a board. Good for experiments and science projects. High quality, Deluxe version. The base measures about 53mm x 75mm.

Knife Switch, DPST, Deluxe

This Knife Switch is double pole single throw with screw type binding posts. 3 screw holes for mounting on a board. Good for experiments and science projects. High quality, Deluxe version. The base measures about 51mm x 75mm.

Knife Switch, SPDT, Deluxe

Knife switch, single pole double throw, with screw type binding posts. and 2 screw holes for mounting on a board. Good for experiments and science projects. High quality, Deluxe version. The base measures about 34mm x 74mm.

Knife Switch, SPST, Deluxe

Knife switch, single pole single throw, with screw type binding posts. and 2 screw holes for mounting on a board. Good for experiments and science projects. High quality, deluxe version. The base measures about 35mm x 75mm.

Knife Switch, XSPDT

Knife switch, single pole double throw, with screw type binding posts. and 2 screw holes for mounting on a board. Good for experiments and science projects. May be slightly different from the picture.

Mini Push Button Switch, Black, Closed, SPST

Miniature push button switch, normally Closed, Momentary open while you push the button. Easily mounts on metal or plastic boards with up to 3 mm (or 1/8 inch) in thickness, in any 7-8 mm mounting hole. Has a black button. Two contact pins may be used...

Mini Push Button Switch, Red, Open, SPST

Miniature push button switch, normally Open, Momentary closed while you push the button. Easily mounts on metal or plastic boards with up to 3 mm (or 1/8 inch) in thickness, in any 7-8 mm mounting hole. Has a red button. Two contact pins may be used for...