Sprocket System 3/8"-7 Size:513470X 3/8" 7 SMALL 7 with extensive force distribution and

with extensive force distribution and maximum breathability

Double-lined outer shell with zero chance of water leakage

5/8" x 40" has a 1-1/8" Low Friction Ring and a 1-1/2" Low Friction Ring 3/4" x 50 has a 1-1/8" Low Friction Ring and a 1-1/2" Low Friction Ring  and 7/8" x 60" has a 1-1/8" Low Friction Ring and a 1-1/2" Low Friction Ring

Size of buttons adapted for easy maneuvering even with gloves

Sprocket System 3/8"-7 Size:513470X 3/8" 7 SMALL 7 with extensive force distribution andOREGON rim sprocket system. This sprocket system consists of two components: Clutch cup with splined hub, and a free floating rim. It is only the rim that makes contact with your saw chain as it is driven around your guide bar. Oregon 38470X Replacement Power Mate Sprocket System includes a drum with a replaceable rim, allowing the rim to be replaced.(Bearing 37504 sold separately) For 3 8" Pitch Chain Saws, 7 Tooth Sprocket, Standard 7 Spline (Sd7)