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This 1:50 two tine thumb is designed specifically to fit the Diecast Masters Cat 308 and 309 Next Gen excavator models. The thumb is designed to use 1/16 brass rod for pins, and should be mounted onto the models quick coupler. This model comes with a spare set of cylinders just incase. Some assembly is required upon delivery of the printed item and the hydraulic pistons will need to be separated from each other.
** Caution this item has very small parts that could pose a choking threat to young children**