This is the same driver 'pill' and brass ring that is included with our DIY host assemblies, but with the pill drilled through with a .630" (16mm) diameter opening. Perfect for use with our P/M SL-BBCB Blank Battery Contact Board and rectangular shaped driver circuits. Fits the C6 and our S4™ and stainless steel hosts. Designed for 16.8mm diameter round driver boards. Note:
Driver circuit not included.
for a tutorial on how to install a blank battery contact board into a drilled pill.