The surprise omission of 6'10 second row Devin Toner from Ireland's World Cup squad means they will be without their tallest asset.
Joe Schmidt has made the shock decision to leave the Leinster lock out of his 31-man squad in favour of Munster's Jean Kleyn.
And the South African-born second row has also took Toner's place as the tallest man in the Ireland squad at 6'8.
Kleyn is tied for the top spot though with fellow second row James Ryan who also stands at 6'8.
At the opposite end, Leinster scrum-half Luke McGrath is the shortest among many giants at 5'9.
The ten tallest:
1. Jean Kleyn (Munster) 6'8
1. James Ryan (Leinster) 6'8
3. Tadhg Beirne (Munster) 6'6
4. Iain Henderson (Ulster) 6'6
5. Jack Conan (Leinster) 6'4
6. Chris Farrell (Munster) 6'3
6. Robbie Henshaw (Leinster) 6'3
6. Jacob Stockdale (Ulster) 6'3
6. Rhys Ruddock (Leinster) 6'3
6. Peter O'Mahony (Munster) 6'3
Ireland World Cup squad:
Backs:
Rob Kearney (Leinster)
Age: 33
Place of Birth: Louth
Caps: 91
Height: 6'1
Weight: 14st 11lbs
Jordan Larmour (Leinster)
Age: 22
Place of Birth: Dublin
Caps: 15
Height: 5'10
Weight: 14st 2lbs
Keith Earls (Munster)
Age: 31
Place of Birth: Limerick
Caps: 77
Height: 5'10
Weight: 13st 7lbs
Jacob Stockdale (Ulster)
Age: 23
Place of Birth: Lisburn, Northern Ireland
Caps: 21
Height: 6'3
Weight: 16st 3lbs
Andrew Conway (Munster)
Age: 28
Place of Birth: Dublin
Caps: 15
Height: 5'11
Weight: 14st 2lbs
Chris Farrell (Munster)
Age: 26
Place of Birth: Belfast, Northern Ireland
Caps: 7
Height: 6'3
Weight: 17st 4lbs
Robbie Henshaw (Leinster)
Age: 26
Place of Birth: Athlone
Caps: 37
Height: 6'3
Weight: 16st 3lbs
Bundee Aki (Connacht)
Age: 29
Place of Birth: Otahuhu, New Zealand
Caps: 19
Height: 6'0
Weight: 15st 10lbs
Garry Ringrose (Leinster)
Age: 24
Place of Birth: Blackrock, Dublin
Caps: 23
Height: 6'2
Weight: 14st 11lbs
Jonathan Sexton (Leinster)
Age: 34
Place of Birth: Dublin
Caps: 83
Height: 6'2
Weight: 14st 5lbs
Joey Carbery (Munster)
Age: 23
Place of Birth: Auckland, New Zealand
Caps: 19
Height: 6'0
Weight: 13st 6lbs
Jack Carty (Connacht)
Age: 27
Place of Birth: Athlone
Caps: 6
Height: 5'11
Weight: 13st 10lbs
Conor Murray (Munster)
Age: 30
Place of Birth: Limerick
Caps: 73
Height: 6'2
Weight: 14st 7lbs
Luke McGrath (Leinster)
Age: 26
Place of Birth: Hamilton, Canada
Caps: 13
Height: 5'9
Weight: 12st 10lbs
Forwards:
Cian Healy (Leinster)
Age: 31
Place of Birth: Clontarf, Dublin
Caps: 90
Height: 6'1
Weight: 17st 7lbs
Dave Kilcoyne (Munster)
Age: 30
Place of Birth: Limerick
Caps: 30
Height: 6'0
Weight: 17st 5lbs
Rory Best (Ulster, capt)
Age: 37
Place of Birth: Craigavon, Northern Ireland
Caps: 119
Height: 5'11
Weight: 16st 7lbs
Niall Scannell (Munster)
Age: 27
Place of Birth: Cork
Caps: 16
Height: 6'1
Weight: 17st 5lbs
Sean Cronin (Leinster)
Age: 33
Place of Birth: Limerick
Caps: 69
Height: 5'11
Weight: 16st 3lbs
Tadhg Furlong (Leinster)
Age: 26
Place of Birth: Wexford
Caps: 35
Height: 6'1
Weight: 18st 8lbs
Andrew Porter (Leinster)
Age: 23
Place of Birth: Dublin
Caps: 17
Height: 6'0
Weight: 19st 2lbs
John Ryan (Munster)
Age: 31
Place of Birth: Cork
Caps: 20
Height: 6'0
Weight: 18st 10lbs
James Ryan (Leinster)
Age: 23
Place of Birth: Blackrock, Dublin
Caps: 18
Height: 6'8
Weight: 17st 9lbs
Iain Henderson (Ulster)
Age: 27
Place of Birth: Craigavon, Northern Ireland
Caps: 47
Height: 6'6
Weight: 18st 4lbs
Jean Kleyn (Munster)
Age: 26
Place of Birth: Linden, South Africa
Caps: 2
Height: 6'8
Weight: 19st 0lbs
Tadhg Beirne (Munster)
Age: 27
Place of Birth: Kildare
Caps: 8
Height: 6'6
Weight: 17st 9lbs
CJ Stander (Munster)
Age: 29
Place of Birth: George, South Africa
Caps: 32
Height: 6'1
Weight: 17st 11lbs
Peter O'Mahony (Munster)
Age: 29
Place of Birth: Cork
Caps: 59
Height: 6'3
Weight: 16st 9lbs
Josh van der Flier (Leinster)
Age: 26
Place of Birth: Wicklow
Caps: 18
Height: 6'1
Weight: 15st 5lbs
Jack Conan (Leinster)
Age: 27
Place of Birth: Bray, Wicklow
Caps: 15
Height: 6'4
Weight: 17st 5lbs
Rhys Ruddock (Leinster)
Age: 28
Place of Birth: Dublin
Caps: 22
Height: 6'3
Weight: 17st 5lbs
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