Pad Holder 20 NP92 Clutch 56505920 for Advance SD 17, Advance SD 4317, Advance Shadow 17 Two-Speed, Advance Shadow 17/20, Nilfisk SD 17/20, SelectLine 17TS, SelectLine 13, Advance Convertamatic 200B-LX, Advance Convertamatic 200B-BD-LX, Advance Convertamatic 20B, Advance Convertamatic 200E, Advance All-Purpose Matador 17-20, Advance High-Speed Matador 17-20, Advance Pacesetter 170-200, Advance Pacesetter 17HD-20HD, Advance Pacemaker 17-20, and Pacesetter Floor Machines.