This saw chain has a semi-chisel cut which is fast cutting and remains sharper for longer. Stihl chains are usually stamped in two places. The first number in the chart being on the drive link itself, this is the gauge of the chain, and the second number on the chart on the depth gauge in front of the cutting tooth.

Guide Bar Size: 20"
Brand: WAR TEC
Type: Guide Bar & Chain
Model: 20" 3/8 063 72dl
MPN: GHS 4293
Model02: 029, 034, 036, 038, 039