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4p 21700 Insulator Rings

$0.99
Style

1 Sheet includes 19 4p strips for a total of 76 cells insulated. 

Stick these to the top of your cells to help protect your cells from a shoulder short. Pre-cut into 4p groups. Sized for 21700 cells. 

Adhesive backing, simply peel them off the sheet and stick them to your cells.