Set punte da trapano diamantate piccole 8 mm per piastrelle granito pietra confezione da 10 pezzi
10Pcs 8mm Diamond Coated Hole Saw Drill Bits for Stone Granite Marble Ceramic. Excellent for making clean and accurate hole on stone, granite, marble, tile. start drill at 45 Degree to surface and align to 90 Degree as hole forms.