Academy Flying Pendulum Clock - Da Vinci Series No. 11 (Snap Kit) - ACA18157 Associated B64/B64D they're a common fit for

they're a common fit for model aircraft using standard axle sizes

keeping drive consistent through the full stroke

KOS32223 style code makes it straightforward to identify and reorder as part of the Koswork accessory range

A common replacement item for Kraton owners who run their truck in demanding conditions

Academy Flying Pendulum Clock - Da Vinci Series No. 11 (Snap Kit) - ACA18157 Associated B64/B64D they're a common fit forThe Academy Flying Pendulum Clock Da Vinci Series No. 11 (Snap Kit) (ACA18157) is an educational model kit that teaches hands on building and STEM skills through a hobby build. Key Features Educational Academy kit designed to teach through hands on building A great pick for learning and classroom or home education use