This is the Standard Engine Mount Kit by Estes.
   Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.

FEATURES: Regular engine mounts
          Easy to assemble with complete insturctions
          Kit fits BT-50, 55 and 60 tubes
          Can be used to make a conversion mount for lightweight D powered
            rockets

INCLUDES: 20/55 laser cut centering ring set
          20/60 laser cut centering ring set
          20/50 adapter ring
          20/50 split adapter ring
          Engine blocks
          Engine hook retainer rings
          Engine hooks
          Engine mount tubes

REQUIRES: Hobby knife (RMXR6909)
          Sandpaper

COMMENTS: Due to small parts that could cause a choking hazard please keep
            away from children 3 years of age and younger

          For your safety and enjoyment, always follow the NAR Model Rocketry
            Safety Code while participating in any model rocketry activities

                                                                      kr6/21/01
                                                                          ir/jl
                                                            updated tlc 1/10/13