This is a genuine hayter drive chain p n 219054suitable for the following modelsharrier 48 219harrier 48 220harrier 48 219lharrier 48 219rharrier 48 219tharrier 48 220lharrier 48 220rharrier 48 220tharrier 48 419nharrier 48 419rharrier 56 340harrier 56 341harrier 56 340aharrier 56 340charrier 56 340lharrier 56 340rharrier 56 340sharrier 56 340tharrier 56 341aharrier 56 341charrier 56 341lharrier 56 341rharrier 56 341sharrier 56 341tharrier 56 342lharrier 56 343aharrier 56 343charrier 56 343nharrier 56 343rharrier 56 343splease be aware that there are a number of different chains for different machines.if you are unsure whether this is the correct part for your machine, please fill out our online parts enquiry form here'. '.strtoupper('t')he technical department will then respond to confirm whether or not it is the correct part for your machine.