Yeah , 'limit' for max price your willing to pay and
AON if you don't want partial fills ...I've yet to use
FOK(Fill Or Kill)

Fill or kill (FOK) is a conditional type of time-in-force order used in securities trading that instructs a brokerage to execute a transaction immediately and completely or not at all. This type of order is most often used by active traders and is usually for a large quantity of stock.

All-Or-None
An All-Or-None (AON) order is an order to buy or sell a stock that must be executed in its entirety, or not executed at all