This is a genuine flymo switch red cap p n 5227209 01 1, which fits the micro compact mc30, mc300 mc300 plus, microlite, microlite 28, rc320, rc400 cordless, re32, re37, re320, re330, re370, re420 re420c, turbo compact range, turbo compact vision range, turbolite range, venturer 320 370, power compact pc330 pc400, sprinter 330, hover compact hc300 hc330, vision compact pc400, roller compact 400 4000, intergarden 37el and many other machines.if you are unsure whether this is the correct part for your machine, please fill out our online parts enquiry form here.the technical department will then respond to confirm whether or not it is the correct part for your machine.