For Dyson V6 Absolute-V6 Total Clean-V6 Extra Roller Brush bar-Old V7 Roller Bar
DYSON V6 /Old V7 Adaptation model: （4.5cm ）SV05. (When you buy V7. If it is 4.5cm.have 4 prong drive and haven't the SCREWS, Just choose the old v7. If it is 5cm. Just choose New v7.). Old V7 Model.