.Parameters: 35(L) x 33(W)x 56(H)mm (shaft head about 20mm). Weight: 120g. Output Shaft: 3mm. Gear Ratio: 1: 1 (36:36) .Reversing structure: fork and clutch, forward and reverse two gears .All copper gear, stainless steel plate, fixed bearing, secondary gear also has bearing, less friction, lower loss .Instruction For Use: This gearbox is suitable for use with a mini V4 steam engine model .For Age: 14 years and older
Specifications:
.Color: As Shown .Material: Metal .Product Dimensions: 3.5 x 3.3 x 5.6cm .Product Weight: 120g .Package Dimensions: 5 x 5 x 8cm .Package Weight: 200g .Packing: Box