The bestseller for classic tree and branch saws on forestry cranes, tractors, pick-ups, ...
 
Suitable typically for chainsaws similar to:  Husquvarna 1xx/2xx/3xx/4xx/5xx (XP),_cc781905-5cde-3194-bb3b-136 bad5cf58d_ Stihl MS 24x, 26x , 3xx