BY-LINK Part No. 771-321
Fits: Echo

BY-LINK Part No. 771-262
Fits: McCulloch

BY-LINK Part No. 771-109
Fits: Poulan

BY-LINK Part No. 771-068
Fits: Poulan

BY-LINK Part No. 771-105
Fits: Husqvarna, Jonsered, Poulan

BY-LINK Part No. 771-101
Fits: Stihl