Product Description This Oregon 16-Inch Replacement Chainsaw Bar and Chain lets you refresh your chainsaw's most fundamental parts with a single purchase. Made to fit a variety of models, the S56 chain features an 56 drive link chain with 3/8-inch pitch and .050-inch gauge. These specifications make it perfect for landscaping professionals who occasionally cut wood, delivering a high standard of durability and performance and all-around ease of use. The low-vibration chain offers excellent performance, easy maintenance and low kickback for enhanced safety, while the heat-treated semi-chisel chain duo ensures smooth cutting and a high tolerance for debris. For saw sizes up to 42 cc. This saw chain meets the kickback performance requirement of ANSI B175.1-2012. Features LubriTec - Oregon's next-generation oiling system, designed to extend the guide bar and saw chain life. Compatible with a wide range of chainsaw makes and models, including (but not limited to): Craftsman CMECS600 and S160 ECHO CS310 Earthwise CS33016 Homelite UT43104, UT43123, and ZR43100 Makita UC4051A and XCU04 Oregon CS1400 Poulan PL1416, PL3816, and PR4218 Ryobi RY3716 Wen 4017 and 40417 Saw chain identification: Always refer to the number stamped on the drive link of your old chain to assure correct gauge and pitch, or refer to your owner’s manual, to order the correct part to fit your saw chain. Chain gauge is the drive link's thickness where it fits into the guide bar groove, matching the guide bar gauge Chain pitch is the size of the chain and is defined as the distance between any three consecutive rivets divided by 2 Your guide bar length is stated in the manual, and is the length of the long bar from end to tip (not the full length of the chainsaw). See Oregon’s fitting guide. This 16 inch bar and chain combination from Oregon features smooth cutting, low kickback, and longer bar life. To find the correct replacement parts and accessories for your chainsaw, check oregonchain website. From the Manufacturer This 16 inch bar and chain combination from Oregon features smooth cutting, low kickback, and longer bar life. To find the correct replacement parts and accessories for your chainsaw, check oregonchain website