why does a grindstone have 2 slots - etc-card.tokyo

Name: why does a grindstone have 2 slots
Address: 114 PHU THO HOA P. PTH Quan Tan Phu Thanh pho Ho Chi Minh, Việt Nam, Ho Chi Minh, Ho Chi Minh, 760000, VN
Telephone: 0967316136
Price range: 1000VND-500000000VND