Precision spring(compression/tension/torsion/special-shape/battery spring), USB stainless clockwork spring, copper, iron and aluminum rivet, nail claw/claw pearl, and toy axle.

精密弹簧（压簧、拉簧、扭簧、异形弹簧及电池弹簧等）、USB不锈钢伸缩发条、铜铁铝铆（窝）钉、爪钉/管珠、玩具车轴。

youdao

Just don't forget to carefully trim the tip off each claw before applying the nail cap.

只是不要忘记仔细修剪爪通风报信每个申请前钉帽。

youdao

Just don't forget to carefully trim the tip off each claw before applying the nail cap.

只是不要忘记仔细修剪爪通风报信每个申请前钉帽。

youdao