This Oregon 18" guide bar 180TXLBA074 and chain combination features a .325" 95TXL068G chain ideal for occasional commercial users. The low-vibration micro chisel cutters offer excellent performance, easy maintenance and low kickback. The guide bar features a small radius multi-rivet nose for good durability and control. Fits Various Stihl Models equipped with a 18" bar with .325" narrow kerf(pixel) .050" gauge saw chain with 68 drive links. Fits StihlFor saw sizes up to 55 ccPitch: .325" narrow kerf, Gauge: .050", chain drive link count: 68Lubritec™ keeps your chain and guide bar oiled for less friction and longer lifeLighter weight means less fatigueLonger nose life and better performance with a new sprocket nose systemReduced rail wear and more precise cutting via better chain fitup