Jiayouy 11 Pieces Guitar Luthier Tool Kit Including 9Pcs Understring Radius Specifications: Product Features The guitar measuring tools are made of stainless steel with smooth edges that have no burrs, anti-rust and scratch-prevent, durable and long service life. String action gauge : comes in 9 x 5.1 cm/ 3.5 x 2 inch, metric imperial. etch printing on double sides, will not fade, accurate and clear to measure string height, bridge height, nut slot depth, bridge slot depth and pickup height. 32 Blades Feeler Gauge measuring range: 0.0015 inch/ 0.04 mm to 0.035 inch/ 0.88 mm, can be applied for guitar spacing distance measuring.Warm notice: there is some anti-rust oil on the stainless steel feeler gauge to prevent it from rusty, please don't worry about that. 9 Understring Radius Gauge including: 7.25", 9.5", 10", 12", 14", 15", 16", 17" and 20" radius can be applied to measure fret board radius, saddle radius, nut radius from either the top or the bottom radius surface. Make the necessary measurements and adjustments on acoustic and electric guitar, bass, banjo, mandolin and other stringed instruments. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!