Ikki masshtabli katlanadigan yoriq o’lchagich

Mahsulot ta’rifi: Ikki masshtabli yig’iladigan yoriq o’lchagich, bo’g’imli elementlarga ega, old/orqa, gorizontal va vertikal gradusi mm, diapazon ± 20 mm; har qanday sirtga o’rnatish uchun mos keladi