Lizard Spit's Slick Nutz Slot Lube is a graphite lubricant for use on all tuning pegs and tension points. It is the world's only nut slot lubricant that dries, helping ALL string instruments to resonate naturally. Our competitor's nut lubes use petroleum, grease, or motor oil which kills sound quality and attracts dust, while Lizard Spit's product is 100% organic, eco-safe and biodegradable. Comes in an 1 oz. bottle.