The 1.6 mm alternating movement makes the 4:1 reduction handpiece the most practical solution in the majority of cases. Kit Contents: Interproximal reciprocating handpiece Set of 6 measuring gauges Removal instrument 10 double-sided abrasive strips (2X): 90 microns: For opening contacts 60 microns: For reduction 40 microns: For contouring/shaping 25 microns: For finishing 15 microns: For pre-polishing
