Specs: Pitch: 3/8 inch Gauge: 0.050 inch Drive Links: 72 Bar Length: 20 inch Bar Nose Radius Large Sprocket Nose Tooth Count: 11 Models Compatibility: Compatible with Stihl Models: 026, 028, 029, 030, 031, 032, 034, 036, 038, 039, 040, 041, 042, 044, 045, 046, 048, 056, 064, and 066. Compatible with Stihl PRO Models: 026 PRO and 036 PRO. Compatible with Stihl MS PRO Models: MS260 PRO and MS 360 PRO. Compatible with Stihl SUPER Models: 028 SUPER, 034 SUPER, 038 SUPER, and 056 SUPER. Compatible with Stihl MAGNUM Models: 038 MAGNUM, 044 MAGNUM, 046 MAGNUM, and 066 MAGNUM. Compatible with Stihl MS MAGNUM Models: MS440 MAGNUM, MS460 MAGNUM, and MS660 MAGNUM. Compatible with Stihl MS Models: MS260, MS261, MS270, MS290, MS291, MS310, MS311, MS341, MS360, MS361, MS362, MS390, MS391, MS440, MS441, MS460, MS461, MS650, and MS660. Compatible with Stihl E Models: E15, E20, and E220. Compatible with other Stihl Models: 036 QS, MS 261 C-M, MS 261 C-MQ, MS 261 CQ, MS 270 C, MS 270 C-B, MS 270 CQS, MS 291 C-BEQ, MS 360 C, MS 360 QS, MS 361 C-B, MS 361 QS, MS 362 C-M, MS 362 C-MQ, MS 362 CQ, MS 362 RC-M, MS 441 C, MS 441 C-M, MS 441 C-MQ, MS 441 RC-M, MS 661 C-M, MS 661 R C-M, MSE 220, and MSE 250 C.