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Old 11-23-2008, 06:45 PM   #5
numbskull
Oblivious // Grunt, Grunt Master
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Join Date: Nov 2005
Location: over the hill
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They are called step drills. If Mike doesn't have what you need you can get them at Mcmaster or Fuller Drill. Not cheap, if I recall correctly, but work great. Some guys grind their own
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