These 440 series combination spanners possess one open end profile and one OGV ring end which is thin walled with a high relief zone for greater access to recessed and hard to access bolts. Available in a range of metric sizes, each spanner has a satin chrome finish. Features and Benefits Finished in a satin chrome for corrosion protection Available in metric sizes from 4 to 44mm to suit your exact requirements Double ended, with one open end angled at 15 and one OGV ring end for multi-purpose use Open head to handle geometry allows you to access and work even in confined spaces Ring open end (size E) is specifically designed for better access to deep or embedded screws The OGV profile of the ring end possesses a 12-point ring for powerful tightening while protecting the nut (H suffix products possess a 6-point ring) Typical Applications DIY Plumbing Construction Automotive Standards NF ISO 691 NF ISO 7738 NF ISO 3318 NF ISO 1711-1 E74-306 ISO 691 ISO 7738 ISO 3318