Metal Tension Gauge Spokes Calibration Measuring Tool Easy to Operate Die Stamping Black Description: For all types of spokes: round/flat spokes/different finishes, building/adjusting wheels/assembling new bikes. Professional tool: It can accurately and reliably measure the tension of all spokes in a wheel and the relative tension of all spokes in a wheel. High-quality material: Made of high-quality material, it adopts a simple design for easy use and operation. Usage: This is a spoke tension gauge, which is practical, sturdy and stable, suitable for the tension of round spokes, flat spokes and all kinds of finished wheel sets. Multifunctional: 1. This bicycle tension meter can accurately and reliably measure the absolute tension of each spoke in a wheel as well as the relative tension between all spokes in a wheel; 2. Correctly and reliably measure wheel spoke tension and ratio to determine if spoke replacement is required. Specification:_ Material : metal Size: 19.5cmx12.5cmx3cm/7.68inx4.92inx1.18in The package includes: 1 bicycle spoke tension meter