This is the new STRC Aluminum Adjustable Position Battery Plate (part#STO21304) for the Ofna Hyper 10SC. The adjustable battery plate lets you move the battery forwards or backwards on the chassis. There are three different positions, 10mm apart, to move the battery. By having this option, it lets you move the battery weight around to improve the trucks handing.
STO21304 MSRP $9.25