Contents: 1 x Satelec Perio Tip No H4RSecond instrument in the sequence, it follows the use of the Satelec H4L tip.Maxillary: palatine and mesial surfaces of sector 2, pivots at 13, then buccal and distal surfaces of sector 1.Mandibular: lingual and mesial surfaces of sector 4, pivots at 43, then buccal and distal surfaces of sector 3.