Diamond MAX 2 in. Hole Saw, For Tile, Stone, and Glass, Up to 10X Longer Life vs. Standard Hole Saws, Higher-Grade Diamonds for Maximum Heat and Fracture Resistance, Improved Braze for Superior Diamond Retention, 5/8 in.-18 Arbor, Large Slug Ejection Slot, Versatile Single Cutting Solution for All Tile, Stone, and Glass.