Those sleeves are coated with Teflon. AF ----- Original Message ----- From: "Michael Gamble" <michael@gambles.fsnet.co.uk> To: <pianotech@ptg.org> Sent: Monday, September 26, 2005 10:03 PM Subject: Knight balance rail pins > Hello all > Recently I told you of the balance rail bushings in a 20 year old Challen > vertical. These bushings were made of double-walled green plastic and were > pushed into an over-sized slot in the top of the key. In that case the > balance pin itself was a thinner diameter than normal. > Today I came across another variation in balance rail pins. This was in a > Knight K-10 about 30 years old. In this case the pin was again slightly > smaller in diameter but had a plastic sleeve shrunk onto it. The key > bushings were standard red cloth. > Regards > Michael G.(UK) > > > >
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