These Sphere holders are made from real wood and have beautiful engravings on each one. They can hold most size spheres perfectly.
 
Size A - 8.8cm x 7.3cm
Size B - 9.4cm x 9.4cm
Size C - 8.8cm x 8.8cm
Size D - 8.8cm x 7.3cm
Size E - 8.8cm x 8.8cm
Size F - 8.8cm x 8.8cm