Vintage "dogbone" or "dumbbell" multi-wrench, commonly used as a compact tool for bicycle repairs. Very good condition. 

• Design: Features multiple hexagonal socket sizes at both ends of a central shaft, often providing 8 to 10 different sizes in one tool. 
• Material: Typically made of cast iron or forged steel, sometimes with a brass or plated finish. 
• Use Case: Ideal for tightening various nuts on bicycles, skateboards, or other small machinery where a racheting tool isn't necessary. 
• Collectibility: These tools are frequently collected as mechanic tool memorabilia. 

(Item will be mailed in a small padded bag, any damage is sole liability of transporting establishment.)