Sprocket System 3/8"-7 Size:513470X 3/8" 7 SMALL 7 5/8" x 40" has a

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

Husqvarna Double Guard chainsaw bars only run 3/8" pitch low profile chainsaw chain - H36

Size of buttons adapted for easy maneuvering even with gloves

Husqvarna 336FR comes complete with trimmer head

Sprocket System 3/8"-7 Size:513470X 3/8" 7 SMALL 7 5/8" x 40" has aOREGON 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)