OREGON 546946 – Head Return Spring”list-style-type:square”Compatible models: Oregon 620-120 Saw Chain Bench GrinderProduct Type: Replacement PartsCategory: Misc Parts>Oregon is the world leader in chainsaw guide-bars. It brands bars for many major chainsaw manufacturers & sells Oregon-brand in the replacement market worldwide. Oregon chains are used as original equipment by 90% of the world’s chainsaw manufacturers & by most of the world’s professional Loggers, farmers, & homeowners. Oregon also produces replacement mower blades, belts, & several other aftermarket replacement parts for power equipment.