Any brand of NiMH AA batteries will work but 2300mah or greater batteries last the longest (batteries and charger sold separately)

Please include the following measurements in a note when you place your order

in a note with your order

unscrew it and screw in another

and include that measurement as well as your body height in a note with your order

Mecha Bracer - Extending Arm Shields mecha_bracer Any brand of NiMH AAMetal spring loaded functional shield gadget gauntlets with automatic extension locking function. Capable of moderate side impacts to the extending shield and body. Extend by pulling the adjustable strap, gauntlet shield will instantly extend and lock automatically. To unlock pull on the strap again and push the shield back, it will click into place once it goes all the way back. Three 2 inch wide velcro straps securely clamp the Mecha Bracers to your