Thorlabs  FW212CNEB - Twelve-Position Motorized Filter Wheel for Ø1/2"  Optics

This sale is for Thorlabs  FW212CNEB - Twelve-Position Motorized Filter Wheel for Ø1/2" (12.5mm)  Optics  with preload 11 1/2" ND filters. It comes with a DC adapter, tested , at good working condition.