World stone Globes Direct Manufactures, suppliers, factory & installer .  Stone sphere fountain avail bale in 16", 18", 20", 24" , 30", 36", 40", 48", 60", 72", 84", 96" inch 

Stone Ball sizes available in 150mm=6.0" 
200mm/20cm=8.0"  300mm/30cm=12.0" 
400mm/40cm=16.0"  500mm/50cm=20" 
600mm/60cm=24"
700mm/70cm=28"
800mm/80cm=32" 
900mm/90cm=36"
1000mm/100cm=40" 1200mm/120cm=48"
1500mm/150cm=60"inch
1800mm/180cm=96"inch
2000mm/200cm=80"inch

marble ball available in 1 feet, 2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet diameter.