요약

다음 스핀너.
이 로트의 R188 베어링들:https://ru.aliexpress.com/item/High-Speed-Metal-bearings-ceramics-balls-for-finger-hand-spinners-Widget-top-Spinning-covers-nuts-Accessories/32821160894.html?spm=a2g0s.9042311.0.0.0zzm1B&af=5zcW&cn=aliexpress&cv=banner&dp=19TZ1MJKbwZiAWn&tp2=5zcW&afref=&aff_platform

간단한 M8 너트를 무게를 매기기 위해서.