钳口样品瓶启盖器

钳口样品瓶启盖器, for use with 20mm crimp seals, pkg of 1 ea

钳口样品瓶启盖器, for use with 13mm crimp seals, pkg of 1 ea

钳口样品瓶启盖器, for use with 11 mm crimp seals, pkg of 1 ea