Great set includes 11 styles of stainless steel nozzle tips which are 3RL, 5RL, 7RL, 9RL, 14RL, 5F, 7F, 9F, 11F, 13F, 15F Made of 304 stainless steel, which will never rust and ensures the high quality Suitable for professional use or home use, meeting your various tattoo demands Easily to be installed on the tattoo machine and tattoo grips All tips are come in a box with the sizes marked on each slot