The BLUE Hammer-Spacer HSP-HB is a round tool made of steel that slides over the Oz-Hammer (OH-02) and keeps it centered on the inside of the Oz-Post sleeve when installing the HB-700. This Hammer Spacer is used in conjunction with the OH-02 Oz-Hammer. The OH-02 Oz-Hammer is 1-1/8” in diameter, so when installing the HB-700 which is 1-3/4” we recommend using the HB-700 to keep the Oz-Hammer (OH-02) centered in the Oz-Post sleeve.
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