BACK-UP PAD (4")  Threaded fo rPolisher (5/8-11)
 For Janvil HTV backed polishing Disks.  Durable design allows for high speed, fast result, polishing. 5/8-11 Int. Thread.  Fits Polishers with a 5/8 Spindle connection.  (6000 Rpm Max).  Janvil HTV back-up pads are specially designed to hold the polishing disk tight and to absorb excess vibrations.  Damage will occur to the glass if any other back-up type pad are used with the Janvil Polishing Disks.