Derby Monkey
Tool Instructions
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Derby Worx Pro Axle Press Instructions

The Pro-Axle Press is designed to straighten and round the nail axles used in many pinewood derby car kits. Accurate axles lead to faster racing!  1.Insert an axle into the chuck of a drill, and use a file to remove the burr under the nail head, and any crimp marks on the axle shaft. 2.With [...]

Derby Monkey
Tool Instructions
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Derby Worx Pro Wheel Mandrel Instructions

Derby Worx Pro Wheel Mandrel Instructions

Derby Monkey
Tool Instructions
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Derby Worx Pro Body Tool Instructions

The Pro-Body Tool is designed to accurately straighten existing axle slots or create new axle holes Using a hand drill on BSA and PineCar kits. The required #44 drill bit is included.  1.Test fit the Pro-Body tool on the bottom of the block with the two “ears” positioned on the sides of the block. If [...]