2-Piece Lathe Chuck Wrench Set High Speed Steel - Single-Piece Bidirectional Dual-Use Square Head Design, 4 Sizes Included (3/10"-2/5" & 1/6"-1/5") - Compatible with CNC Engraving & Milling Machines

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More features

• Dual-Size Square Head for Multi-Model Use – Each wrench has 2 square head sizes (measured across flats: 3/10"-2/5" & 1/6"-1/5"), letting one tool adjust multiple lathe chucks. Saves time by avoiding switching wrenches for CNC engraving/milling.
• Reinforced Middle Lever for Power & Stability – Slide the control lever to the middle reinforced position for enhanced power and steady operation. Prevents slipping during high-torque adjustments, ensuring safe chuck tightening/loosening.
• Wide Compatibility with All Chuck Types – Fits 3-jaw, 4-jaw, 6-jaw lathe chucks and all major brands. Ideal for CNC engraving machines, milling machines, and traditional lathes—suits industrial/home workshops.
• Hardened & Tempered Steel for Durability – Made of high-speed hardened & tempered steel, resisting wear, corrosion, and deformation. Black finish adds rust protection for longer service life.
• Precise Sizing for Perfect Fit – Square heads are measured across flats (standard method), ensuring accurate alignment with chuck sockets. Avoids ill-fit damage or errors, reliable for precision machining.