Only used the two items on the left once. (See image 3) Tartar Removal Tools for Home Use - Scaler, Plaque and Nicotine Stain Remover, Stainless Steel, Fine Tip, Dental Tool, Tartar Removal Professional-grade, 6-piece dental tool set for home use. High-quality stainless steel, safe and reliable for beginners. Use the dental mirror, 3 sickle-shaped tools, a hoe-shaped tool, and tweezers to easily perform professional oral care at home, removing food debris, tartar, plaque, cavities, and staining. Also important for maintaining the health of your dog's teeth. Ergonomic design. The sharp tips of the tools make it easy to remove dirt. Excellent durability and mold resistance, with a non-slip design for easy handling. ■ Material: Stainless steel