Start-stop slider. Models: HT 70 HT 75 HT 101 (until Tue 5 08 600 587) HT 131 (until Tue 5 08 571 577) FS 75 FS 80 R - 4137 FS 85 T FS 87 R FS 90 R - 4180 FS 100 R FS 120 R FS 200 R FS 250 R FS 120 R 2-MIX FS 130 R FR 85 FR 85 T FR 130 T FR 450 FR 480 (4128) FR 350 FC 85 FC 110 FC 100 HL 75 K HL 75 HL 95 HL 95 K HL 100 HL 100 K FH 75 PC 70 SP 85 SP 90 SP 90 T SP 200 SP 400 SP 450 SP 401 SP 451 SP 481 KM 85 R KM 90 R KM 100 R KM 130 R BT 120 C BT 121 BT 130 KW 85