Mount Hole Diameter: 5.2mm / 0.2"; Mount Hole Distance: 69mm/2.72" ; 55mm/2.2"
Core Dia: 27mm / 1.06"; Dimension: 150 x 105 x 30mm / 5.91" x 4.13" x 1.18" (L*W*H)
Fits: FS75-FS85. BG FC FS HL HT KM 70 75 80 85. for Stihl blower, String Trimmer,Models: BG 75, FC 75, FC 85, FH 75, FR 85, FR 85 T, FS 75, FS 80, FS 80 R, FS85, FS 85 R, FS 85 RX, FS 85 T, HL 75, HL 75 K, HT 70, HT 75, KA 85 R, KM 85, KM 85 R, KM 85 R-Z, KM 85-Z, KR 85, KW 85, SP 80, SP 80 K, SP 81, SP 85, SP 85 K
Replaces for STIHL: 4137-190-4000