Martindale COMMX500M Commstone with 8-1/2" Adjustable Handle 2" x 1-1/2" x 2" Stone Single Grit 90 Grit

This stone has a permanently mounted short knob with a removeable handle. The handle can be inserted in three different positions (vertical, or angled to either side), allowing the operator to reach commutators in awkward or cramped locations.