Oregon 38470XSF Power Mate Rim Sprocket System, 3/8"-7 Tooth, SD7 Low Kickback_No Patented self-adaptive live hinge is

Patented self-adaptive live hinge is the latest self-adjusting fit technology that moves as the wearer moves

Excellent ability to block out particularly on muddy and icy ropes thanks to the holes on the cam and on the side plate

Weaver's aerodynamic Cordura throw weights are designed to help increase the range of the throw

1/2" Double Braid Polyester Cover and a Nylon Core

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Oregon 38470XSF Power Mate Rim Sprocket System, 3/8"-7 Tooth, SD7 Low Kickback_No Patented self-adaptive live hinge isRims Sprocket Systems, which include a drum sprocket and rim, provide smoother cutting and less chain wear than spur sprockets. For use with Stihl 044, 046, MS361, MS362, MS440, MS441, MS460, MS 461