Can be installed on model ship or other small models、 as an engine; Size: 43 x 23 x 40mm; Weight: 48g; Flywheel diameter: 18mm; Shaft diameter: 2mm; Cylinder diameter: 6mm; Stroke: 4mm; Brass diameter: 2.5mm
Dimensions: 4.25 in x 3.35 in x 2.95 in (10.8 cm x 8.5 cm x 7.5 cm) Weight: 4.30 oz (122 g)