The hobby knife is a frequently used tool. The blades are sharply pointed, and the tip is the most useful part of the blade and should be well protected. After you're finished using your knife, take the blade out and flip it around. The holder will now become a sheath for that sharp point and extend the life of the blade.
Engine Rebuilding Tip
Last issue we went over rebuilding nitro engines and recently found a new tip to make your job......
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