Momentary SPDT Lever Switch made by Tamiya. Works well as a bumper switch on you robot. Set this switch to turn on when the switch lever is depressed and turn off when the lever is released, or set it up the opposite way. The switch is about 3/4" long, 1/4" thick. It is about 9/16" wide compressed and about 3/4" wide with the lever extended (width includes the posts).
This is a Single Pole Double Throw two position switch.
Use these roll pins to fix sprockets to a shaft and keep them locked in place.
This is a 1.75" x 1.75" x .125" thick aluminum plate designed to mount our IG42 motors. It is used in our IG42 Heavy Duty Robot Platform.