Titan SC6 217 Spray Tip 661-217 or 661217 Titan SC6 217 Spray Tip 661-217 or 661217. The SC6 217 661-217 is equal in performance to the SC6 217 662-217. Solvent Proof Seal, Hand tight design. Highest quality tungsten carbide assures longest life and durability. Flow indicator, One seal for all coatings.