2mm ๊นŒ์ง€๋„ ๊ดœ์ฐฎ์•„๋ณด์ด๊ธดํ•˜๋Š”๋ฐ
๋“ฃ์€๋ฐ”๋กœ๋Š” ๋„“์–ด์งˆ์ˆ˜๋ก ๋‹ค๋ฅธ๊ณณ์— ๊ฐ„์„ญ์ƒ๊ฒจ์„œ ๋…น์—ฌ๋จน๋Š”๊ฒฝ์šฐ์žˆ๋‹ค๊ณ  ๊ฐ€๋Šฅํ•œ ๊ฐ€๋А๋‹ค๋ž€๊ฑฐ ์‚ฌ๋ผ๋Š”๋ฐ
1.5mm ๋กœ ์ถฉ๋ถ„ํ•œ๊ฐ€์š”?