This listing is for (6) Units. GUM Proxabrush System. Ideal for cleaning hard-to-reach spaces between teeth and around bridges, as well as for people with orthodontic appliances, implants or galvanic sensitivity. Patented EEZ-LOK handle design holds refills securely and reloads quickly and easily. Handles available in both single-ended and double-ended to allow for use of different size refills. Nylon filaments and nylon coated wire are comfortable, will not scratch implants, and will not cause galvanic sensitivity. Available in cylindrical or tapered refills. Choose from ultra-fine, regular, or large refills. GUM Proxabrush System. Ideal for cleaning hard to reach spaces between teeth and around bridges, as well as for people with orthodontic appliances, implants or galvanic sensitivity. Patented EEZ LOK handle design holds refills securely and reloads quickly and easily. Handles available in both single ended and double ended to allow for use of different size refills. Nylon filaments and nylon coated wire are comfortable, will not scratch implants, and will not cause galvanic sensitivity. Available in cylindrical or tapered refills. Choose from ultra fine, regular, or large refills.