#75053 - CERAMIC NITRIDE DIFFERENTIAL BALL (2.4mm/12pcs) Extra Smoothness and Durability/Replaces 2.4mm Diff Ball (A151 A157) Discontinued Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.
#A157 CARBIDE DIFFERENTIAL BALLS (3/32 in./2.4mm/12pcs)