Your search for "combs" revealed the following
Gibco-BRL 15 cm mylar, sharkstooth, 50 wells, 1.5 cm, .35 mm thick CMT50-035
50 wells, 1.5 cm deep, 0.35 mm thick, 3.0 mm pt-to-pt for Gibco-BRL
Gibco-BRL 15 cm mylar, well forming CGY16-020
16 wells, 9.1 mm deep, 0.2 mm thick, 9.09 mm pt-to-pt for Gibco-BRL
Gibco-BRL 15 cm mylar, well forming CGY28-035
28 wells, 9.1 mm deep, 0.35 mm thick, 5.6 mm pt-to-pt for Gibco-BRL