Check the listing for details. NEW Rock Tips Liquid Callus Formula for Guitar String Instruments Pain Relief. Condition: New. Listed at 14.99 USD. Product DescriptionRock-Tips Liquid Callus Formula helps to solve the age old problem of painful fingertips when playing a stringed instrument. Whether you are a brand new player or an old veteran, sore fingertips can be frustrating. With Rock-Tips, you can play longer without the pain and focus on making music.Directions: Make sure fingertips are clean and dry. Lightly brush a coat of Rock-Tips on fingertips and let dry for 1 minute before playing an instrument. If an additional coat is needed, simply brush another coat on and wait another minute. Wears away naturally in 1-2 days. Precautions: For external use only. Do not use on open cuts or wounds. Keep away from eyes and avoid inhaling directly. Keep away from young children. Te remove immediately, use soap and warm water and gently peel off. Store at room temperature. SHIPPING INFORMATION We ship within 1 business day (Monday - Friday) and excluding holidays. Orders received as late as 1 PM on a business day may be shipped out that day or the day after. Shipments are either UPS or USPS (Continental USA and Canada). International orders will be shipped USPS. Shipments going to Hawaii, Puerto Rico and or Alaska are subjected to a $15 surcharge on top of the standard price as listed. We do ship to international addresses. Buyers are responsible for any international customs, government taxes and duties that may apply. International and out of continental USA orders may also be delayed up to 5 business days prior to shipping to ensure that all paperwork and customs information is complete.