Spreaders are used for apical condensation of gutta percha, instruments are produced from stainless steel and special quality plastic materials. There are several basic sizes of the instruments in one length 25 mm, color coded according to ISO standard.The marking on the handle is "SP" for the stainless steel spreader. They are packed in crystal clear box with silver Endostar label. They have an endostop on the blade of the instrument. They can be sterilized with hot, dry air at 180 °C or in a steam autoclave at 135 °C, disinfected in mild disinfectant liquids, and washed in ultrasonic cleaners.