... Switzerland directly. 2) KSW12-50NR,3/8", .050" as Oregon SANDVIKE chainsaw guide bar1) Parameter Model No.PitchGaugeOREGONKSW12-50NR3 ... "(30-107 cm)3/8"C3.0-6.0 cu in (50-100 cc).404"D4.0 cu in and ... larger (65 cc)Gauge: .050", .058", .063"3) Material: we import ... chain, and sprocket in China. The product line includes guide bar, saw chain, sprocket, rim, wrench, chain breaker ...