Micro-Fine PTFE Powder Lubricant for Piano Knuckles
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PTFE micro-fine powder for lubricating grand piano knuckles. This is the product you want to use on grand knuckes (it's a better choice than talc and other commonly used products). Also great for making touchweight measurements on grand actions, as it helps reduce friction (virtually eliminating static friction). You'll no longer have to tap the bench top to get the key moving when measuring down-weight or up-weight.