-Excellent access to even the hardest-to-illuminate areas of the mouth. -Back-to-back, front-surface mirrors and a built-in retractor let you retract the tongue using the front mirror while you simultaneously reflect light off the back mirror. -Provides an unobstructed, shadow-free view of the contralateral molars. -Rhodium-plated, stainless steel. -Fully autoclavable. -Available exclusively in size No. 5 (1" diameter) to fit cone-socket threaded handles.