Dark, Sheesham wood, wooden grinder .
 
5.5cm in diameter.
 
Sheesham / Rose Wood wood is, second to teak, the most solid and hardwood.  It is known as a highly durable and tough type of wood and is often used as a go-to material for furniture, cabinets, musical instruments, pipes and wood carvings art pieces.  It is also second to teak the most expensive wood worldwide.