This is your basic spool of leaded solder with a 63/37 water soluble resin core. 0.8mm gauge and 50 grams. This is a good spool for more advanced users that should last 3-6 months depending on how often you solder.
This is a Custom MLT-JR tracked robot platform, equipped with a pan and tilt camera for inspection purposes. It comes complete, a MLT-JR Tracked Robot Platform with PT Camera, LCD, Controller, 100ft tether, fully assembled and tested.