爪钩

tóng yī duì zhǎo gōu kě zhuā fàng bù tóng kuān dù de jīng tǐ guǎn kuàng jià

同一对爪钩可抓放不同宽度的晶体管框架。

The identical claw hook can snatch up and lower down the transistor frames of various widths.