Includes: guide bar 144TXLNA074, chain 80TXL059G, sprocket 610725SpeedCut™ Nano Conversion Kits has been engineered from the ground up with maximum efficiency in mind. Built to optimize saw performance, SpeedCut Nano is the first .325 Low Profile system and meets the demands of tree care professionals like no other on the market. Fits Stihl MS201T, 200, 193T and 192For saws in the 1-3hp range (20-38cc)Pitch: .325" Low Profile (NEW) narrow kerf, Gauge: .043", chain drive link count: 59, bar length 14", 7-tooth spur sprocketLubritec™ keeps your chain and guide bar oiled for less friction and longer lifeLonger run time from a uniquely designed SpeedCut Nano 80TXL saw chain which increases saw cutting efficiencyIncreased speed allows compact saws to take on a big projectsSmooth cuts and nearly no cutting chatterPerformance that won't stall in the cut