Premium Blunt Tipped Ceramic Tweezers: Heat and Electricity Resistant Ceramic Tweezers are one of the most needed tools for any RDA/RTA rebuilder! Precision-made for those precise adjustments to your coil while firing. Non-Conductive & Heat Resistant so it will not short your coil while firing. Ceramic Tips are Pointed for Precision yet Flat at the very end for easier pinching of the coils. Tip diameter: 0.300.05mm