Package Includes5pcs 7/32 inch Standard Hex Dogging Keys.
Diameter 7/32 inch (0.22"/5.6mm); Length 2-1/3".
Premium Quality High performance Metal, well made and a decent value for the price.
Function You can use it for dogging security door; adjusting T-nuts on extruded Steel frames.
Design You can put these Allen Wrenches on your keychain and you won't always loosing Allen wrenches out of your purse, they are more difficult to lose than traditional L-shaped (and black) hex keys.