Commstones should be twice as long as the width of the longest flat spot and as long as will work freely between adjacent brush sets.2 in X 1-1/2 in X 1 in, Commstone, Grade Srf With Straight Handle Stone mounted on a straight handle for difficult to reach commutator When compared to turning tools commstones are easier to use, more time effective, and remove less copper..
172" Orifice, 1" Round Knurled Handle FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional.172 in.
Stem L,1/4in..Stem Dia Standard head-type RTD assemblyA variety of head types are availableFactory Mutual and Canadian Standards approved explosion proof models availableTransmitter available, fits standard heads NPT Conduit, Polypropylene Connection Head, 12 in.