HI-TORQ-2-Ring-R-S-Shape-Spanner-Set-5-Pc-Draper-Expert-03947-The-Draper-Expert-HI-TORQ-174-double-ring-ratchet-S-shape-spanners-in-this-five-piece-set-are-manufactured-from-hardened-and-tempered-chrome-vanadium-steel-with-a-mirror-chrome-plate-finish-for-corrosion-protection-p-p-The-100-tooth-ratchet-enables-3-6-deg-movement-along-with-the-S-shape-means-these-spanners-are-ideal-for-use-where-there-8217-s-limited-space-and-the-curved-shape-makes-it-easier-to-reach-round-obstacles-