LOST or NEED KEYS? GP typically replaces dispenser keys at no charge. Add the key to your list, select VIEW LIST, then select the CONTACT GP option. INCLUDE your mailing address and any details to ensure a prompt response. This durable plastic key is designed to be used to open the following jumbo roll bath tissue dispensing system solutions: Rollsavr VISTA 12" Sr., Micro-Twin, Rollsavr VISTA twin, and Rollsavr VISTA 9". Its unique design makes this key stand out on a full key ring, making refilling dispensers quick and easy.