Tru Cut replacement chain for Homeowner model H20 Reel Lawn Mower. This chain is used for both the motor chain as well as the differential chain (#1 and #3 pictured). Unique to the H20 model Tru Cut Lawn mower which is easily identified by having 4 chains in total. Replacement part #T11431 for Tru Cut Reel Mowers. All chains include a new master link.