Stepped radiator spanner: 10mm/11mm/12.5mm/16mm/21mm, Fit for 1/2" Ratchet handle. Ratchet Wrench Size: 270x42.6mm/10.63x1.68in. Type: Ratchet Wrench/Stepped Wrench for Head(optional). You can tighten or loosen any fasteners within this wrench size range.
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