Cordless Ratchet Wrenches

ratchet wrenches
(Ratchet wrench) A socket wrench, more commonly referred to as a ratchet, is a type of wrench, or tightening tool, that uses separate, removable sockets to fit many different sizes of fittings and fasteners, most commonly nuts and bolts.
(Ratchet (Socket) Wrench) Available in a variety of handle shapes and lengths and used with sockets to make turning nuts and bolts  easier than with a conventional wrench.
(ratchet wrench) same as socket but with a ratchet action

cordless
not having a cord; "cordless telephone"
The term cordless literally means without a cord and is generally used to refer to electrical or electronic devices that are powered by a battery or battery pack and can operate without a power cord or cable attached to a fixed electricity supply such as an outlet, generator, or other
A type of phone where the handset is not connected to a device by a cord, allowing the user to move about while placing or receiving a call.
(of an electrical appliance or telephone) Working without connection to a main supply or central unit