OREGON 513470XSF SPROCKET SYSTEM, 3/8-7 SM7

Pitch: 3/8", Size: Small 7 Spline, Tooth Count: 7
Two-piece design includes a drum with a replaceable rim, allowing rim to be replaced multiple times before the entire unit is replaced
Extend operational life by maximizing chain and bar groove alignment
For best performance, replace every three rims
Guideline for replacement: One sprocket will last for the complete life of two chains
The pitch of your sprocket, the pitch of your saw chain, and the pitch of your bar tip must all match
The Cold-forged manufacturing process significantly improves a sprocket’s durability and performance