Oregon 504322 18" bar & chain combo. Bar features INTENZ style built-in chain tensioner. Note: INTENZ bars can be used with standard chain tensioning systems. Simply retract the INTENZ adjuster all the way and use your chainsaw's tensioner pin as normal). Fits many Craftsman, Poulan, Poulan Pro chainsaws. Specs: 18" bar includes S62 chain, 3/8" low profile, 62 drive links, .050" gauge.