... from USA 2) CE/GS/SGS/ISO9001 saw chain 1) Parameter SpecificationpackageG.W(kgs)Oregonmeasurement drive linkmini. ... 56E 453/8. .050 56E 473/8 .050 57E 90.325 .058 72E 50.325 .058 72E 53.325 ... .058 72E 90 capability for cutting tree3/8 .050 56,300mm90,2 ... . The product line includes guide bar, saw chain, sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer ...