DANGER: APPROPRIATE LASER SAFETY GOGGLES MUST BE WORN WHEN OPERATING THESE DIODE AND DRIVER ASSEMBLIES! RISK OF INSTANTANEOUS SEVERE EYE DAMAGE OR BLINDNESS! These assemblies include the laser diode, a diode module, and a laser diode driver soldered to a brass ring and pressed into the driver pill. No soldering is required with any of our diode and driver assemblies.