There are plenty of expensive coffee grinders available on the market. Manual grinders are more affordable but not always reliable. The Cozyna Ceramic Burr Manual Coffee Grinder is a stainless steel coffee grinder lets you grind from espresso to French press. You can adjust the grind size without having to unscrew the whole thing. Just turn the knob clockwise or counterclockwise to change the size.
The device has a portable design. It can fit into an AEROPRESS. You can use this grinder indoors as well. Sets you back $30.