(a) 1 Piece of 4" aluminum velcro pad holder (its arbor is 5/8"-11 Female Thread). One set of 4" Diamond Dry Use Polishing pad for granite stone marble concrete travertine ceramic polishing: 1 Piece of STEP ONE, STEP TWO, STEP THREE, STEP FOUR, STEP FIVE. (b) 1 Piece of 3/16" (5mm) to 1 1/2" (38mm) Diamone Trimming Chamfer Bit. With 5/8"-11 Female Thread arbor. It is a versatile milling bit designed to enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, Granite and Marble.and it's also suitable to easily create round side indentation necessary to accomodate pipes or electric wire lines. Diamond beveling chamfer bit can bevelorchamfercrated rough holeson glass,granite, marble, stones,ceramic and porcelain tiles. This is a save money tool because with just one standard core bit and this finger bit you are able to create many different hole sizes, without needing to buy several different core bits. It is manufactured with top quality raw materials and high end production processes to grant outstanding performances. It can bring a smooth,beautiful hole finish. (c) 1 Piece of 25mm / 1" Diameter Diamond Vacuum Brazed Coarse Finger Bit / Milling Bit / Zero tolerance grinding drum for stone granite marble porcelain ceramic sink hole. Enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, marble and granite.