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