This is a Draper 24 mm ratcheting spanner, a single-ended combination spanner with an open jaw at one end and a ratcheting ring head at the other, intended for rapid tightening and loosening of 24 mm metric nuts and bolts where access is limited. Its primary use case is to replace a socket and ratchet in tight spaces, allowing continuous turning without removing the tool from the fastener.

The spanner is manufactured from chrome vanadium (Cr-V) steel that has been heat treated and tempered to improve strength and durability. The tool is finished with a polished chrome plating to resist corrosion and to allow easy cleaning. The geometry follows standard metric across-flats (AF) sizing for 24 mm fasteners and is produced to the dimensional tolerances commonly associated with hand spanners, comparable with DIN and ISO specifications for combination spanners; see typical references such as DIN 3113 / ISO 3318 for ring and open-end spanner profiles. The ratchet head contains a fine-tooth reversible mechanism offering a small swing angle (typical 5° increments) so it can operate in confined working envelopes. The open end is slightly offset to improve access to recessed fasteners and to avoid knuckle contact with adjacent components.

Typical applications include automotive maintenance, plant and machinery servicing, assembly work in engineering workshops, agricultural equipment repair and general building and maintenance trades. The 24 mm size is commonly used on cylinder head bolts, wheel nuts on light commercial vehicles, hydraulic fittings and structural bolts in mechanical assemblies.

Key benefits of this ratcheting spanner include effective corrosion resistance from the chrome finish, the enhanced strength and fatigue resistance provided by heat‑treated Cr‑V material, and the time-saving convenience of the ratchet mechanism which reduces tool repositioning. The correct 24 mm fit reduces the risk of rounding fastener corners and improves torque transfer compared with adjustable spanners. The reversible ratchet gives compatibility with clockwise and anti-clockwise operations without tool removal.

Duchy Fasteners stocks the Draper ratcheting spanner in single 24 mm pieces and as part of multi‑piece metric sets; please contact us for available pack sizes and current stock levels.