Material: Engine One Way Bearing is made of metal, it is hard, firm, durable. Weight: Light weight will not add extra burden to the RC cars Application: Compatible with HSP 1/8 1/10 scale nitro RC car SH16 18 21 engine. Notice: Please make sure the size suitable for you before order it. Nice replacement accessory for the old or broken one Material Metal Colour Silver, black Hex Size Approx. 12mm / 0.47inch Type Hex Nut One Way Bearing Brand Unbranded/Generic MPN MEM94670817381 EAN 4894670817381 .
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