The 3M™ Roto Peen Assembly Kit contains the components needed for captive shot peening, repair or maintenance of metal parts. Each kit includes a Roto Peen Almen Strip Holder, TC-330 Roto Peen Flap Assemblies in two sizes (9/16” x 1-1/4” and 1” x 2”), and Roto Peen Mandrels 7210 and 7211. This kit does not include the Almen Strips, Die Grinder, Almen Gauges, or other measurement equipment.
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