Powersonic 4-1/2 inch Diamond Saw Blade Set for Angle Grinders - Pack of 3 3pc Kit Contains: 1 continuous rim For Smooth cutting of marble, granite, tile & ceramics 1 segmented rim For Fast general purpose cutting for masonry, concrete, pavers, Terrazzo, Roof tile. 1 turbo rim For smooth & fast cutting of masonry, concrete, pavers, Terrazzo, Roof tile. 4-1/2" Diameter for angle grinders with a 7/8" Arbor