Product Details1.【Non-Slip Handle】Red rubber covered handle offers comfortable hand feeling, ergonomically design and ensures optimal force-transmission.2.【Carbon Steel】Forged with carbon steel is good toughness and wear resistant. High-frequency hardened and Black oxidized treatment with high hardness and corrosion-resistant.3.【Model】Fit for ER40 Nut, 58mm (2.28") opening width.4.【Usage】Hook spanner is designed to drive spanner head screws, threaded rings and shafts. Precise fit reduces the risk of shaft, nut and housing damage.5.【Widely Use】Suitable for ER lathe clamping nut, CNC milling lathe chuck nut, and most tool holders, such as spring clamping nut CNC tool holder.
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