Aligning your newly built Pinewood Derby car can be a very tedious and frustrating endeavor.  Its amazing how the smallest week of an axle can create a huge difference in how the car rolls down the track.  You can easily spend several hours trying to align your car for its optimum speed.  When you finally get the alignment where you want it you should lock it in place.

Most folks simply use a drop of glue in a hold drilled to the axle.  This system is no way near fool proof.  Often, the axle comes loose from the glue or the glues never make sufficient contact with the axle in the first place.  Also, if you decide to make any last minute adjustments after the glues has set, then that presents a whole new set of problems and additional steps.

The Derby Monkey Axle Lock Set Screw Kit is perfect for locking axles and protecting your Pinewood Derby car’s alignment.  This is the system that many professional builders use instead of placing a drop of glue on the axles. Simply drill a #44 hole underneath the body directly under each axle.  Insert the4/40 x 1/8″ set screws. Align the car. Tighten the screws.  Your alignment is now locked in place.

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