Ryobi ZRRY3716 37CC 2-Cycle 16" Gas Chain Saw (Certified Refurbished) This Certified Reconditioned product is tested & certified by Ryobi to look and work like-new. The product includes all original accessories, and is Warranted for 1 Year. Adjustable automatic oiler for longer bar and chain life Tool-less air filter cover for easy service Safe-T-Tip protects against rotational kickback Side access chain tensioner for easy adjustment