Contents: 10 x Burs 2 x Plastic Cards The Styleitaliano Direct bur kit is a set of 10 burs divided into two categories, posteriors and anteriors. The upper row is special for posterior direct restorations (letter P) and the lower row is special for anterior direct restorations (letter A). The steps created have the same order as the burs, so that you are able to follow the exact same order from the burs and from the instructions, very rarely the order needs to be changed.