I substituted the steel arm tube from an Audio Technica broadcast tonearm with a graphite golf driver shaft. Note the lead strip covering the vertical movement pivot bearings, it acts as a damping device. The anti skating string device works well also.
http://www.geocities.com/nghiep16/Vinyl/Arm.jpg
http://www.geocities.com/nghiep16/Vinyl/Arm1.jpg
http://www.geocities.com/nghiep16/Vinyl/new.jpg
http://www.geocities.com/nghiep16/Vinyl/Arm.jpg
http://www.geocities.com/nghiep16/Vinyl/Arm1.jpg
http://www.geocities.com/nghiep16/Vinyl/new.jpg