Designed primarily for use where access is limited, these double ring end spanners are a game changer. With a built-in ratchet mechanism to provide speed and a reversible action which can be achieved by depressing the reversing lever or by simply turning the wrench over. All ratcheting ring wrenches are manufactured from chrome vanadium steel with bi-hex rings*. *6mm x 7mm is single hexagon. Features and Benefits 6-7mm with single hexagon rings 9-22mm with bi-hexagon rings Ideal for use where access is limited and larger wrenches would fail to perform Built-in ratchet mechanism makes for easier turning with minimal user effort Provides speed and a reversible action for versatility of use Manufactured from chrome vanadium steel making for a truly robust product Typical Applications Engineering Construction Automotive