Power Tool-7Pcs 0.8-2.5mm Diameter Lapidary Diamond Coated Solid Bits Gems Drilling Needle

Feature: 1. Great tools for making an accurate hole on various bowlder, agate, pearls, jade, etc. 2. Use Tip: Light pressure, diamond tools are processed by grinding the workpiece, if use too much strength, flour is not easy to get, especially the small tool is also easy to damage. Specifications: Material: Diamond + Steel Color: Silver Shank Diameter: 2.35mm/0.09" Head Diameter: 0.8/1.0/1.2/1.5/1.8/2.0/2.5mm Sand Length: About 11-19mm(as picture show) Full Length: Approx 42mm/1.65" Quantity:7pcs/set Package Includes: 7pcs x Hole Saw Drill Bits Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.