Ox Niche is only 5'6 foot

Retshegofaditswe 'Tshego' Nché – more commonly referred to as Ox Nché – is a South African rugby union player for the Sharks in Super Rugby and the South African national team the Springboks. His regular position is prop, and he is one of the world’s most revered scrummagers. WikipediaBorn: 23 July 1995 (age 27 years), Bloemfontein, South AfricaWeight: 114 kgHeight: 1.73 mEducation: University of the Free StateNationality: South African
--------------------------------I heard the commentators say that opposition teams struggle to scrum against him because he is so short. He does look at bit like a Hobbit.
The scrum did improve further with Kitshoff, although that might also have been having Marx in the front row at the same time. 

Ox weighs 119kg