JACK Pad/JACK Buffer Pad Safety Support Buffer Pad

EN:Jack Buffer PadPrevent direct metal conclusion so to avoid unnecessary anti-rust coating layer damage.5mm thick for I'm out of TPU current in hands now so used PLA to print it and it seems enough for unfrequently usage.but clearly it should be better to be done with TPU. 中文:千斤顶/保安支架缓冲垫缓冲垫用于隔绝千斤顶/保安支架的金属面直接与车架接触从而造成的防锈涂层损伤