Stihl Chainsaw Chain Loop, Chain Type: Rapid Duro, Material Gauge: 0.063 in, TPI/Pitch: 0.325 in, Number of Links: 74, Bar Length: 18 in, Suitable for: STIHL 024, 028, 030, 034, 038, 041, 044, 048, MS 291, MS 261, MS 461, MS 460 R, 026, 029, 032, 036, 039, 042, 046, 045, 056, 066, MS 440, MS 390, MS 361, MS 271, MS 640, MS 311, MS 341, MSE 220 Electric, 031, 040, E 15 Electric, 064, E 220 Electric, E 20 Electric, MS 661, MS 260, MS 270, MS 280, MS 290, MS 310, MS 340, MS 360, MS 362, MS 380, MS 391, MS 441, MS 460, MS 650, MS 660 Chainsaw