This 15 inch replacement chainsaw chain is a genuine oregon chain known for their high quality standards and robustness. This replacement chainsaw chain has 56 drive links and is made up from type 72 chain. Type 72 chain is a high performance chain that reduces the kick back and vibration caused from sawing.type 72 chain 3 8 050 1.3mmsuitable for the following modelsechocs 60s, cs 451vl, cs 452vl, cs 500evl, cs 500vl, cs 510evl, cs 550evl, cs600evl, cs 602vl, cs 610evl, cs 706, cs 650evl, cs 660evl, cs 670, cs 701, cs 702vl, cs 750evl cs 501, cs601, cs 750vl, cs 5500, 6700, 8000type 72 oregon chain equivalent to carlton a1l, a3l bl, stihl 33rs, husqvarna s46, em s46, mcculloch spr370glx, spr370gx, windsor 50apl, 50aplg, gb 980, 980d, homelite 38 l50, dolmar 100