18mm 3 motor cluster rocket where t' motor mount tubes form t' lower half o' t' rocket and fit into t' BT60 upper payload sectIon. Avast!  Fin can assembly has 6 fins mounted on a BT60 rin' which slides over t' end o' t' three motor tubes. Avast, me proud beauty!  Stickers instead o' decals. Arrr!  Nice lookin' rocket. Well, blow me down!  Upgraded t' recovery system with a Keelhaul®©™ shock cord.