Check out the updates to use a 20 gauge shotgun shell as the body of the light using cheap 1157 automotive LED bulbs (NOTE: this will be removed and inserted every time you change the tool-head):
Original Parts List (revise for 20 gauge version):
Tools
- Soldering Iron
- Heat Gun
- Hot Glue Gun and Sticks
- Misc hand Tools - wire cutter, wire stripper, razor knife, screwdrivers, scissors etc.
- Hand Drill (or a drill press)
- Vice
- Step Drill bit with 15/32 and 3/8"
- 1/2" Drill Bit
- LED Bulb - I got this one that came with 10
( http://www.ebay.com/itm/111403644190?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 ) - These are the same but 4 of them
- ( http://www.ebay.com/itm/261512253147?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 )
- DC Power Connectors (5.1mm Female) You could use other means as well (different connectors, solder the wires together, etc.)
(http://www.ebay.com/itm/221450501242?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 ) - Aluminum Spacer (0.750" x 1")
( http://www.mcmaster.com/#92510a360/=swv6p0 ) - Shrink Tubing
- 3/8" - Harbor Freight - Black
- 1 @ 1.25"
- 1 @ 2"
- 1 @ 5"
- 11/64" - Harbor Freight - Red
- 3mm - I had this, need to procure some around the same size RED and BLACK
- 1@15"
- Wire
- 14 Gauge Stranded - RED and BLACK - DON'T USE SOLID WIRE. 16 Gauge would work fine as well, nothing bigger than 14 though.
- 1 RED @ 18" - Strip ONE END 1/2"
- 1 BLACK @ 18" - Strip ONE END 1/2"
- 14 Gauge is what I had, but it gives the cord just the right amount of stiffness once it is all shrinked IMO. 16 Gauge would likely be good as well.
- Washer - Lowes - pack of 4 - $1.00 - 8mm x 24 is just the right size
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