Perio Probe #6806NC, DE, Williams (1-2-3-5-7-9-10) Color Coded / UNC (1-15) Color
Perio Probe / Explorer #802, DE, W.H.O. (3.5-5.5-8.5-11.5) Color Coded / #23 Explorer
Perio Probe / Explorer, #806, DE, Schumacher (3-6-9-12) Color Coded / #23 Explorer
Perio Probe / Explorer, #806A, DE, Williams (1-2-3-5-7-8-9-10) Plain / #23 Explorer
Perio Probe / Explorer, #806AC, DE, Williams (1-2-3-5-7-8-9-10) Color Coded / #23 Explorer
Perio Probe / Explorer, #812AC, DE, Williams (1-2-3-5-7-8-9-10) Color Coded / #6 Explorer