I was at Lowes today and browsed through the chain saw section and was wondering if these things are worth it for someone like me that hasnt ever sharpened a chain or are they just gimmicky marketing things aimed at me?
http://www.lowes.com/pd_41205-86886...uctId=3562432&Ns=p_product_qty_sales_dollar|1
http://www.lowes.com/pd_91393-422-2...uctId=3678610&Ns=p_product_qty_sales_dollar|1
http://www.lowes.com/pd_41205-86886...uctId=3562432&Ns=p_product_qty_sales_dollar|1
http://www.lowes.com/pd_91393-422-2...uctId=3678610&Ns=p_product_qty_sales_dollar|1