21700 and 18650 lithium cell holder with terminal ends 0.6

Single cell holder with included files for 21700 to 18650 cell bushing adapter. Just use a dedicated charger with jumper wires or a power supply with correct settings. 

1 -  1/2" #6 machine screw hex head

1 - 1 ¼" #6 tapered machine screw

2 - #6 nylon nut

3 - #6 flat washers

1 - #6 finish washer

1 - conical spring