Cleans & Conditions Grenadilla & Other Wooden Instruments with a 100% Natural Organic Oil, this is Petroleum Free, great for wooden bore instruments & any unfinished wooden parts. Helps restore wood and prevent drying and cracking. Bring back the tone you love with our Bore Oil. It’s formulated using a complex mixture of the finest ultra-refined tree and seed oils to seal, condition and protect your wood. 100% free of lemon extracts, petroleum and water. Works great on any wooden bore instrument and unfinished wooden parts. It helps you protect your wood from drying and cracking. Give your wood its life back. Music Nomad Products are used worldwide by musicians, repair shops, collectors & instrument makers. 2 oz.