FeatureFit for ER20 M nut, 16mm (0.63") opening width, 135mm (5.31") total length.. Carbon SteelForged with carbon steel is good toughness and wear resistance. High-frequency hardened and Black oxidized treatment with high hardness and corrosion-resistant.. Non-Slip HandleRed rubber covered handle offers a comfortable hand feeling, ergonomically design and ensures optimal force-transmission.. UsageUsed to fasten or remove lathe clamping nuts on machine tools and machinery.. Easy to IdentifyThe handle on the wrench has a designation number for easy identification and selection..
