... ,20/410,24/410,28/410,33/410 .... gram:4g-60g Preform details as follow:neck : 15/410 , 4.8g .neck ... 32g ,35g ,36g 40g ,46 g ,55g,60g , 103g .... neck:33/410: 25g ,39g ,45g ,52 g 60g ..wide neck:43/410 ,14g , 61 ... ,35g 87/410,31g 88/410,31g ,36g 90/410 , 45g 91/410 , 62g 100/410,35g80/410 ,85/410 ,88 ...