Clover-Assorted Titanium Machine Needles. Through a very advanced electro-galvanization process the titanium nitride coating is permanently attached to the needle. This coating increases the wear resistance on the needle. Much like using a non-stick pan for cooking, the titanium needles resist residue form textile products like sticky back stabilizers and spray adhesives from becoming attached to and diminishing the performance of the needle. This package contains two size 75/11 needles, two 80/12 needles and one 90/14 needle. Imported.