TENOB product.  Made in NZ. Lifetime marine grade 3mm stainless steel. 10hp or 38kg maximum (long shaft models: 8hp max.). 
 
Short Version - OU6S   
Suitable also for motor storage at home or on the launch due to its compact dimensions.  

235mm wide x 190mm long overall. 

Side brackets are angled up ten degrees to compensate for the transom angle. 

Mounting holes: 190mm horizontal x 123mm vertical spacing, centre to centre. Four holes 11mm diameter (use 10mm (3/8') mounting bolts). 

Timber size: 220mm wide x 160mm high x 35mm. This version allows most motors to tilt up without touching the transom.  
Long Version - OU6  

235mm wide x 295mm long overall.

Side brackets are angled up ten degrees to compensate for the transom angle.

Mounting holes:  190mm horizontal x 123mm vertical spacing, centre to centre.  Four holes 11mm diameter (use 10mm (3/8') mounting bolts).

Timber size: 220mm wide x 160mm high x 35mm