Money will be taken at the time the Invoice is printed when goods are packed ready for post and parcel weighed. It will nearly always be taken to Post Office within 24 Hrs.
The disk is coated with diamonds 300 - 350 grade or D54 micron
The disk is approx 12mm thick so the edge which is also coated gives a grinding area simmilar to a slightly worn 6" X 1/2" grinding wheel.