This ULTIMATE EDGE kit include includes 4 instrument edge sharpening and maintenance tools. This kit offers fastest, easiest, and most accurate way to sharpen your dental instruments. It is the best investment you will ever make. We guarantee it! • Exceptional Quality and Value priced hand instruments for dental, oral hygiene, surgical, veterinary, craft and hobby use. All products are made with the finest quality materials. • Our line of high quality dental instruments and precision tools are used in many applications including: Dentistry, Surgery, Veterinary , Scientific Laboratories, Forensic Lab, Industrial Companies, Crafts and by Hobbyists. • Choose from thousands of quality dental products from us. Send us an email if you have any questions about our products or have larger quantity or multiple items requirements.