Probably not many times I burnt my fingers when soldering resistors, tubular ceramic capacitors and the like in the form of radio parts. Feeling, know, not pleasant, not to mention the effects of the blisters. And I made a good protect your fingers from burns when soldering. It’s Teflon, Teflon or even the rubber block has grooves of various sizes. Use it when soldering the parts is quite simple.
Experience and no burns guaranteed.
Cube of PTFE, Teflon, or even eraser will protect your fingers from burns when soldering electronic components
Don’t throw away your old bulky capacitors KT (500). If inside, insert the reed switch, and the top to wind the coil, you get a small relay. And no worse (and maybe better) РЭС55, РЭС64 or РЭС91.