ITEM NAME:5pcs 4.5''/110mm Rim 0.01'' Super Thin Diamond Lapidary Saw Blade Cutting D â„–[ Specification: Brand new Diameter: approx. 4.5" (110mm) Arbor hole: approx. 3/4" (20mm) Thickness: approx. 0.2mm Color: as picture shows Fit for: Can be used on 5/8" (16mm) or 1/2" (12.7mm) arbor with a bushing. Usage: (Trimming) glass tube, stone, jade, agate, crystal, glass cutting, accessories, charcoal stone, crack-cleaning Features: Advantages: achieving satisfactory cutting results and reducing unnecessary material consumption. Exclusively designed for processing materials for softer high value rocks like turquoise, opals. These blades are manufactured by crimping Synthetic diamonds directly into the edge of the saw blade. They are best suited for turquoise, opal, glass, and stones in the 4-7 range on the Mohs hardness scale. This thin diamond lapidary saw blade offers a very good cost effective option for those that want either very thin kerfs or plan on short term use. Package included: 5 x saw blades.Usage: (Trimming) glass tube, stone, jade, agate, crystal, glass cutting, accessories, charcoal stone, crack-cleaning. These blades are manufactured by crimping Synthetic diamonds directly into the edge of the saw blade.