120 cm Sägenspezi guide rail 3/8 inch 1.6 mm 149 drive links and 2 Sägenspezi full chisel chains suitable for Stihl MS 661 MS661. This solid steel rail with roller star is durable and of high quality. With two high-quality Sägenspezi full chisel chains with particularly high cutting and puncture performance and very good service life for professional use. With kickback protection (kickback safety) thanks to safety drive links. The soft cutting behaviour, the low chatter tendency and the low vibration tendency.