Do-it-Yourself Turning Target System Model 2013
soldering iron solder acetone hot glue or silicone sealant Epoxy or J.B. Weld 1, SAE 1/2"-13 to 3/8"-16 adapter 1, Sealed Rechargeable Lead Acid Battery - 12 volt, 5 AH (All Electronics P/N GC-125). Also available from other sources such as Digikey. 1, ATC type fuse holder (All Electronics P/N FHP-25)