The CS-4010 is a true jack of all trades. Every aspect from its light weight (4.2 kg) and highly maneuverable frame to its powerful 41.6 cc professional grade engine has been fine tuned to create a saw that excels at almost all tasks. The advanced 2-stroke, scavenger type engine provides more power and less emissions than any other saw in the same class. So, whether you're pruning, cutting firewood or even felling, you'll have a saw that's perfect for the job.