Upgrade- Bing feeder upgrade kits( V2 to V3)

Prompt:   Shipping costs need to be calculated separately.   

Buy   on our AliExpress website: https://www.aliexpress.com/item/1005009771217231.html

Each kits includes    (Can complete the upgrade of 50 sets of 8mm feeder

1 pcs    24V-7V   DC-DC  POWER  

1 pcs   ST-Link V2 programmer

100pcs   0.3-4-12mm   compression spring

50pcs     3*20mm   iron rod

100pcs  3mm*16mm binding screw

100pcs  M2.6*8  self-tapping screws  

50pcs   4-9-4mm   bearing