Estes D12-5 Std D Engine (2) CASTER BLOCKS - Two (2) Front assembled

- Two (2) Front assembled Steel Universal Axles Drive Shafts with Aluminum Hex

7in (779mm) Wheelbase 12

9" Steel Beadlock Wheels feature a black finish and machined aluminum 12mm hubs

and powerful performance capabilities

Estes D12-5 Std D Engine (2) CASTER BLOCKS - Two (2) Front assembledENGINES FOR MODEL ROCKETS 2 D12 5 Engines 2 Starters 4 Starter Plugs Overview The Estes D12 5 engine is a single stage engine designed for model rocket flight. This engine is a 24mm diameter engine designed for rockets with a maximum lift weight of less than 10 ounces. Each package includes 2 engines, 2 starters and 4 starter plugs.