Commercial heavy-duty mop handle. 60 In. steel handle with a firm grip vinyl coating with ribs to prevent slipping. The mophead features a wing nut threaded lock. To open or close the mouth of the mop handle tighten or loosen the wing nut on the center thread. Insert the mophead through the opening and then tighten the wing nut until the mouth of the mop handle is secure. The mop handle can hold mops up to 32 Oz. securely without opening the mouth of the mop handle or breaking the mechanism.