Buy more than* S$200* and get FREE SHIPPING
Due to the national holidays as Golden Week, we will close 2018/4/28~2018/4/30 and 2018/5/3~2018/5/6.
This may cause delays with our responses. Thank you for your understanding.
I do not know the durability. I can use it with an ordinary center drill. From the price, I do not have a problem with disposable, so if you buy two of titanium coat or something, it is Ali to buy three dishes and disposal.