Size 000 is Piksters smallest size. Dentists love Piksters for their ease of use, single handed action, variety of sizes, low cost, convenience, the twisty handle, the stronger stiffer wire and the durability of the bristles. Slim compact handle: Allows the user to twist for easier insertion. Created with a dentist's insight, the Piksters Interdental Brush is built for practicality and lasting performance. Slim, compact handle makes it easier to guide the brush into position. Protective cap keeps bristles hygienic while allowing airflow for drying. PA612 bristles compress on entry and expand on withdrawal for thorough reach. Plastic-coated, stiffened wire resists bending for reliable use. Rinse and reuse, offering both value and convenience.