KWADRON Optima Cartridges 30/1RLLT needle 0.30 mm is created for various tattoo techniques. Its precision and quality makes Kwadron needles perfect for shading and creating lines as well as detailed tattoo elements. Kwadron cartridge line promises quailty like no other brand. The needle is universal, made for tattoo drawing and permanent makeup. The box contains 20 Kwadron needles.