New old stock Grove Gear Ironman Gear Reducer Model  GR-H-826-10-H1-A  10:1 Ratio  this is from a now closed factory that kept spare parts on the shelf  Input through shaft 3/4" out put through hole dia. 1" 

Ratio 10:1
Model No.  GR-H-826-10-H1-A

Catalog No. GR8180037.00

New no box this Gear reducer it is a new off the shelf  from a closed factory that kept spares for there equipment the Gear reducer may have scratches and dust from being stored with out a box 

[Please Look at all the pictures they are part of the description]