[Chain Parameters] Replacement chain for 10"guide bar, 3/8" LP Pitch .050" Gauge 40 Drive Links, 3 Pack. [Fit Chainsaw Models] Fits for Echo CS-271, CS-280, CS-290, CS-300, CS-3000 and more. Fits for Remington Electric Pole Saw 106821A, 106890-01, 106890-02, PS1510A, RM1015PS, RM1025P, RM1025SPS. Fits for Poulan 1800.Fits for Sun Joe 20ViON-CS10, SWJ803E, SWJ807E. Fits for Worx WG309. And many more. [ Durable & Low Risk of Kickback ] Hardened rivets ensure a secure connection under pressure. Guarded drive links in front of each cutter link help minimize the chance of the leading edge of the depth gauge becoming entangled in the wood, thus reducing the risk of kickback. [Maintenance]The built-in Lubri Tec automatic refueling system can deliver oil to key components of the chain, regularly clean and lubricate the chain, thereby reducing downtime and maintenance, extending the service life of the chain, and ensuring its cutting function [Find Your Chain] Please check your chain saw manual or the stamp on your guide bar for pitch, gauge, length and drive chain number. Contact the NEO-TEC Customer Support Center with your chainsaw or guide bar model number and we will be happy to assist you! (View more than 60 sizes in the NEO-TEC Store).