Step-by-step Guide:
How to Replace Needles on Your KNODOS WDT Tools
Removing Magnetic Cap: Hold adjustment wheel and needle holder firmly. Rotate the cap in an unscrewing motion to remove.
Removing 0.4mm Needles: While gripping the adjustment wheel, extract the pre-installed needles.
Align Needle Holder: Ensure holes in the holder base and adjustment wheel align for needle installation.
Inserting Needles: With aligned holes, fit in 0.25mm replacement needles.
Reattach Cap: Align the cap with the handle; rotate to screw it in place.