Works perfectly, selling because I love my 21mm over it, so it's just been sitting collecting dust. I have a 4" backing plate on because it came with a 6'' but I like using 5'' pads.
FLEX XC 3401 VRG Dual Action Gear Driven Orbital Polisher | 6" Backing Plate
FLEX XC 3401 VRG Dual Action Gear Driven Orbital Polisher
FLEX XC 3401 VRG Dual Action Gear Driven Orbital Polisher NO HANDLE
FLEX 5.5" Backing Plate For XC 3401 VRG Polisher | Replacement
FLEX 4.5" Backing Plate For XC 3401 VRG Polisher | Use with 5" Pads