Big size: 8.3mm(more accuracy)
Small size: 7mm
Compatible with all model of Dagi Stylus.
to replace TIP, hold the TIP with left hand, rotate:
COUNTERCLOCKWISE only to remove, and
COUNTERCLOCKWISE only to install.
pls watch below video to learn how to replace TIP.
EM: 1st Kg RM7, next Kg and thereof RM7