Attributes . 1 in ProPEX Expander Head with RAPID SEAL (49-16-2418), 1 in RAPID SEAL ProPEX Expander Heads (2532-20), 1/2 in ProPEX Expander Head with RAPID SEAL (49-16-2414), 3/4 in ProPEX Expander Head with RAPID SEAL (49-16-2416), Carrying Case, M12 FUEL ProPEX Expander with 1/2 in, ProPEX Expander Cone Grease (49-08-2400) . Names