Product Name : Battery Spring Contact Plate;Fit for : AA Batteries.
Plate Size : 18 x 11mm/ 0.7" x 0.43" (L*W); Spring Length : 8mm/ 0.3".
It is made from metal, has great electrical conductivity, better electric performance.
Application: As great replacement for your remote control, electric telescope, multimeter, battery operated radio, clock, LED lantern, and any other stuff powered by batteries.
Package Content : 30 Pairs of Battery Spring Contact Plate; Note: Battery is not included.