TAMIYA 42247 Gear Differential Putty
#T42247 Gear Differential Putty
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★Here is another option to change your gear differential setup - this viscous putty gives an effect rather like a direct coupling. ★Comes in roll form and can be easily snipped to the desired size using scissors. ★Recommended for use in roughly 3mm balls. ★Comes in a plastic case. Net weight: 25g.