Brand

•  Aerotech (154)
•  Cesaroni (53)
•  Estes (33)
•  Klima (30)
•  Rocketflite (9)
•  Sierrafox (1)
•  TSP (25)

Diameter

•  13 mm (7)
•  18 mm (44)
•  24 mm (26)
•  29 mm (36)
•  38 mm (28)
•  54 mm (14)
•  75 mm (6)
•  98 mm (1)

Category

•  Boosters (6)
•  Delays (46)
•  HPR Level 1 (19)
•  HPR Level 2 (2)
•  Longburn (7)
•  Plugged (6)

Primary use

•  Booster (3)
•  Booster stages (11)
•  Rocket gliders (4)
•  Single Stage rockets (84)
•  Sustainers (7)

Class

•  A (10)
•  A,B,C (1)
•  B (13)
•  C (19)
•  D (12)
•  E (11)
•  F (9)
•  G (9)
•  H (12)
•  I (7)
•  J (2)
•  Up to A (4)