Specifications:Material: Stainless SteelColor: White, SilverRadius: 7.25", 9.5", 10", 12", 14", 15", 16", 17", 20"Gauge Ruler Size: (L)X(W)X(H) 90x52x0.7mm /3.54"x2.05"x0.03"(appr.) Features:Brand New and high quality.● THE PERFECT COMBINATION OF TOOLS: This luthier tool set was specifically created to help complete the most common repairs and adjustments.● MEASURES ACCURATELY: Make the necessary measurements and adjustments on acoustic and electric guitar, bass, banjo, mandolin and other stringed instruments.● STRONG AND DURABLE: Built to last. Fabricated from extra thick stainless steel. The pin puller is made from hard thick plastic. Package Included:1 X Pin Puller Keychain1 X Double Sided Gauge Ruler1 X 9 Stainless Steel Understring Radius Gauges2 X Protector Guards( in 2 sizes) Notice:Please allow slight deviation of measurement due to manual measurement.Due to different producing batches, product details might be a little different.Due to different monitors and different light, the picture may not reflect the actual color of the item.Please consider the actual sizes shown in the listing as the pictures are generally enlarged to show detail.