ADJUST THE TIGHTNESS OF BIKE SPOKES - The bike spoke wrench is used to adjust the tightness of bike spokes, can correct and prevent wheel deformation, and is an essential tool for bike enthusiasts. MEETS YOUR NEEDS - The bike spoke wrench, wheel truing tool set includes all common sizes. The round spoke wrench is suitable for spoke nipples with a size of 10/11/12/13/14/15g, while the blue spoke wrench is suitable for 14g spokes. HIGH-QUALITY MATERIALS - The bike spoke wrench is made of steel, the nickel-plated surface does not rust easily, the handle of the blue wrench is attached with rubber, does not slip easily when using it. MEETS YOUR NEEDS - The bike spoke wrench package includes all common sizes. The bike spoke wrench is suitable for spoke nipples in sizes 10, 11, 12, 13, 14, 15. AN INVALUABLE TOOL FOR CYCLISTS - Light weight and high performance. Portable for easy transport. Description: Main material: 52 steel Item size: Approx. (Dia.) 4cm Inner diameter: 1.7cm, Thickness 0.5cm Net weight: 50g Color: Silver