Features: Elevates your bike maintenance with the bicycles derailleur hanger alignment tool, a precisions craft quality metal instrument designs for gear shifting. Feature a plunger for secure holding, a interchangeably tip, and a precisions thread shafts, this tool ensures accurate alignment of derailleur hangers. Designs for professional cyclists, bikes mechanic, and bicycles enthusiasts look to maintain highly end road bikes and mountain bikes with precisions. Whether you're tuning up yours daily commuters or prepping for a competitive race, this derailleur hanger alignment gauge tool is great for almost bicycles. The tool is a necessary component for immediate use, making it a must having addition to your home workshop for keep your bicycles in top condition. Specifications: Materials: Metal Color: As The Picture Shows Package Weight: approx.400g Size: approx.395mm/15.55in Package Includes: 1Pc Derailleur Hanger Alignment Gauge note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!