Antex soldering bits for cs csl and tcs soldering irons antex b110700 replacement bit with 012mm tip from antex suitable for use with antex cs tcs tc50 sd50 xstc a245 a545 a718 soldering irons manufactured from high grade copper plated first with iron and then chrome to give a long working life antex b110700 1107 012mm soldering bit for cstcs iron