This is a #275 Single Speed Moto-Tool from Dremel.

FEATURES: Single speed (28,0000 RPM).
          Quick change collet nut.
          Tool is double insulated.
          Has a permanently lubricated bronze sleeve bearing motor for smooth
            dependable power.
          5-Year Warranty.

INCLUDES: One #275 moto-tool
          One 1/8" collet
          One #90962 wrench
          Two #409 cut-off wheel
          One #402 mandrel
          One #407 drum sander
          One #932 grinding stone

REQUIRES: AC household outlet (United States Standard)
          Eye protection

SPECS:    120V, 50-60Hz, AC, 1.15 amps.
                                                                    btm 12/1/93
                                                                          ir/jl