CRL Diamond Ring Blade with Two Orange Groove Grommets for DNS1 Diamond Notch and Saw Machine the latest advancement in glass fabrication machinery. This amazing new saw utilizes a high quality 5-3/4" (146 mm) Steel Ring Blade with specially coated diamonds to provide smooth, fast cutting in all directions of glass up to 1/2" (12 mm) thick. Use it freehand and reduce labor time 75 percent on patterns such as crown molding with smooth, chip-free results, or use the adjustable jig tool to eliminate drilling and cut your labor by more than 50 percent. No more double layouts. Simply cut forward, sideways, back out and you are done. Minimal or no sanding is required. This is the only saw capable of producing strong, square corners. Internal Sponge Cover provides cutting coolant with no pump required. Optional Radius Templates for 9/32", 5/16", 3/8", and 7/16" (7.1, 7.9, 9.5, and 11 mm) radii create "mouse ear" and U-shape sized cut-outs for popular CRL Shower Door Hinges. Templates for CRL BGCU1, SGCU1, GCB188 and SGC188 Glass Clamps also eliminate the need for drilling, scoring, break-out, and costly CNC machine set-up. Additional replacement parts are also available.