Feature●23-66-2270 For Milwaukee Switch replacement 1680-20●Model Number: 23-66-2270●Compatible models: 1680-20 (SER 407A) Electric Drill 1680-20 (SER 407B) Electric Drill / Driver 1680-20 (407C) Super Hawg 1680-21 Super Hawg DrillDescription Compatible models: 1680-20 (SER 407A) Electric Drill 1680-20 (SER 407B) Electric Drill / Driver 1680-20 (407C) Super Hawg 1680-21 Super Hawg Drill