3/4 size diamond router bit. This is a rare type with slits on the grinding surface, making grinding work comfortable! I was worried that the cross-section would be rough, but it surprisingly finishes beautifully. It can be attached to common routers such as Gryphette, Inland, and Glastar. Ships via Nekopos. #stainedglass #routerbit #routerblade #diamondbit #stainedglassmaterials #stainedglasstools #stainedglassrouter #Gryphette #Inland #Glastar