Available in 1/4" x 80/20, 80/30, 80/40, 80/50, & 80/70. HARDENED STEEL SPRAY TIPS These tips are made to last much longer than regular steel tips. Performs great, even with sand in mixture. Heat treated hardened tips give you longer tip life & less down time! All treated nozzles are case hardened to a .020 min. case depth with a 60 HRC minimum surface hardness.