2. Insulator

End insulators are in the shape of a classic "egg". Material is polypropylene. Antenna wire is secured with stainless steel rope clamp.
Egg size is 3,6 cm

Center insulators (black) on baluns, ununs and antennas fed by double line are polypropylene with high strength and durability.

Center insulators on LT antennas (Doublet, G5RV, Zepp, ZS6BKW..) are made of 3 mm thick glass-textile