1.Guide Bar size:20"(505mm) 20"(555mm) 2.Rated input power:2100W 3.Displacement:49.2cc 4.Chain pitch:0.325" GASOLINE CHAIN SAW UN185200 Power Tool ModelUN185200Input Power2100WDisplacement:49.2ccChain pitch0.325" Fuel mixture ratio25:1CertificationCE/GS/EMC/ROHS/UL Packing: N.W/G.W.7.8/6.8KGSCarton Capacity1pcsCarton Size48*26*20CM 2100W GASOLINE CHAIN SAW UN185200