This is a round head reversible ratchet with a 1/2" (12.7 mm) square drive, designed to apply and remove nuts and bolts where higher torque and compatibility with larger sockets are required. The primary use is hand torqueing and loosening fasteners in mechanical, automotive and industrial maintenance where a conventional spanner or socket wrench is impractical due to access or space constraints.

The ratchet is manufactured from chrome vanadium steel (Cr-V), heat treated for durability and finished with a corrosion-resistant chrome plating to resist surface rust and chemical exposure. The head is a round profile to improve access in confined spaces and the tool features a reversible drive lever to change direction between clockwise and anticlockwise operation. The 1/2" square drive conforms to standard square drive dimensions so it is compatible with ISO/DIN/BS socket and accessory ranges; there are no threaded drive connections on the head. The mechanism uses a fine-tooth gear (typically 72 teeth) to provide a small swing arc for work in restricted angles, and the ratchet is intended as a hand tool rather than for impact use.

Typical applications include automotive repair (engine, suspension and transmission work), industrial maintenance, plant assembly, agricultural machinery and general engineering workshops. The round head and fine-tooth action make this ratchet useful for working around brake components, suspension members and machinery housings where close-quarter rotation is required. The tool is also commonly used with extensions, universal joints and breaker bars where extra reach or leverage is needed.

Key benefits include the corrosion-resistant chrome finish for a longer service life, the strength and fatigue resistance of chrome vanadium construction, and broad compatibility with standard 1/2" sockets and accessories. The reversible lever and fine-tooth mechanism improve speed and control in confined spaces. Note that this ratchet is a manual hand tool and should not be used with pneumatic or electric impact tools.

Duchy Fasteners stocks this 1/2" reversible ratchet singly and as part of assorted sets, with matching 1/4" and 3/8" drive options available. Packs and loose units are supplied to suit workshop and trade requirements. For specific pack sizes and length options please contact Duchy Fasteners.