2IN1 Easy Chainsaw File Chain Sharpener Kits 7/32 5.5mm For Stihl 3/8"P 404" UK. 4-5.5mm 2 IN 1 Easy Chainsaw File Chain Sharpener Kits For Stihl UK. Scientific design: the end of the sharpening stone with handle design, easy to operate, which allows the user to operate directly on the chainsaw, without accidentally hurting the finger.
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