For this pictures items and specification are:
ITEM NO.:6097-01/6097-02/6097-03/6097-04/
6097-05/6097-06/6097-07/6097-08/6097-09
LENGTH: 45mm/49mm/53mm/60mm/68mm/68mm
/75mm/87mm/92mm
WEIGHT:7g/10.5g/14g/21g/28g/35g/42g/56g/77g
MATERAL: copper or iron
ITEM NO.::6020-01/6020-02/6020-03/6020-04/6020-05/6020-06
LENGTH:60mm/75mm/80mm/90mm/100mm/110mm
WEIGHT:10g/14g/17.5g/23g/28g/36g
MATERAL: copper or iron