... . Special size:50*7,50*9,60*7,60*9mm 4. good material 5. best price C.O.E3.3±0 ... x 4mm, 44 x 4mm, 51 x 4mm, 51 x 4.8mmNote: standard length of clear tubing:1500mm; standard length of ... bottles of top-quality, decoration, fitment and so on. borosilicate glass tube