Oregon 610727 SpeedCut Nano Spur Sprocket, Superseded by 610727N Type_Chain Roll Up is durable

is durable

For KASK Superplasma helmets

25AP is light-weight

For 27X and 27AX Series Saw Chain

They have a flexible Dymax 19" extension which is designed to help protect the blade and endhook from kinking and breaking if rewound into the case too quickly

Oregon 610727 SpeedCut Nano Spur Sprocket, Superseded by 610727N Type_Chain Roll Up is durableThis 7 tooth, . 325" Low Profile Pro Spur Sprocket delivers superior performance and value for professional chain saw users who is converting to the SpeedCut Nano Cutting System. The sprocket is rugged and dependable with excellent wear resistance. Superseded by: Oregon 610727N