Morse, DGM20C (129022), 1-1/4" (32mm) diameter, diamond grit hole saw is designed for hard, abrasive materials like stone, porcelain, glass block. Continuous cutting edge reduces the chance of the material chipping during cutting. Seperate arbor required, use Morse MA35 (139045), MA35PSN (139052) or MA45PSN (139069). One (1) hole saw per card.. This item has been restricted from sale in the following state (s): []