The length and width of the barbecue according to the size of your grill how many things and habits to decide, no specific standards, height if the family for personal use, do a 50CM on it, if it is a professional grill, it is best to barbecue masters standing arm naturally placed in a more comfortable position height, or else, if you do a day's work, non-exhaustion. Generally 80-90CM. mesh size 1.5CM, spacing 5 * 5CM can be, the net from the edge of the stove 8 ~ 10CM, other arbitrary, no big requirements.