Features: Strict quality control. High cost efficiency. Longer durability, cutting performance, sharpness that lasts and low stretch. It gives better results. Less maintenance and lower costs. If you know the type of chains you need, but don't find the link to buy, pls feel free to contact me, we will send you the corresponding chains link. Get the right type of chains should know the pitch and rate of the chains and the number of drive links.Chains-list of technical characteristics of the car:Pitch chains: 3/8lp"Chain gauge: .043 = 1.1mmChains drive links: 50 number of drive linksFits profile size: 14 Inch/35cmSuitable for: Generic (depends on the size of the profile to choose)Knife type: half/full chisel (according to your needs)* Fits for Stihl MS170/MS180 CD91VS50D sawPackage content:1 * chains for sawNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.