beveled HS crimp neck flat bottom flat DIN crimp neck flat bottom flat DIN crimp neck rounded bottom flat DIN crimp neck Crimp neck vials N 20, 20 and 50 mL 20 and 50 mL, pack of 100 23.25 x 75.5 mm 75,5 23 75.5 23 x 75.5 mm (PerkinElmer ®) 75,5 23 75.5 23 x 75.5 mm (PerkinElmer ®) 22.5 x 75.5 mm (DANI, Aijiren ®) 22.5 x 75.5 mm (CTC, Varian