9 radius sizes: 7.25" 9.5" 10" 12" 14" 15" 16" 17" 20".
Made of stainless steel, durable enough.
Engraved with radian on the ruler.
Easy to measure radius under strings.
Accurately configure your guitar bridge saddles to fit the fingerboard radius.
The 9pcs understring radius gauges of different sizes are used to measure radius under strings, accurately configure your guitar bridge saddles to fit the fingerboard radius. Features: 9 radius sizes: 7.25; 9.5; 10; 12; 15; 17; 20;. Made of stainless steel, durable enough. Engraved with radian on the ruler. Easy to measure radius under strings. Accurately configure your guitar bridge saddles to fit the fingerboard radius. Specifications: Material: Stainless steel Radius: 7.25; 9.5; 10; 12; 15; 17; 20; Item Length: 70mm / 2.76in Package Weight: 41g / 1.45ounces Package Size: 100 * 100 * 15mm / 3.94 * 3.94 * 0.59in Packing List: 9 * Understring Radius Gauges