Fits Stihl Chainsaw Models 038, 041, 046, 066, MS311, MS391, MS362, MS440, MS441, MS460, MS461, MS660. Genuine Stihl Chainsaw Chain. Please Check Your Stihl Bar to Verify Correct Chain. 3/8 Pitch, .050 Gauge, 72 Drive Links. Chain is cut and made by my local dealer.