Mirror Head, Double Sided Front Surface #4 (7/8" Diameter), Pk/12

#4 Has a single reflective surface that is 22 mm (7 /8”) in diameter.

#5 Has a single reflective surface that is 24 mm (15/16”) in diameter.

#M4DS Has two reflective surfaces that are 22 mm (7 /8”) in diameter.

#M5DS Has two reflective surfaces that are 24 mm (15/16”) in diameter.